Nailed it, lllaass! Thank you!!
Opened Terminal
Last login: Tue Mar 1 16:53:59 on console
softwareupdate --list-full-installers
Finding available software
Software Update found the following full installers:
* Title: macOS Monterey, Version: 12.2.1, Size: 12155426708K, Build: 21D62
* Title: macOS Monterey, Version: 12.2, Size: 12156325205K, Build: 21D49
* Title: macOS Monterey, Version: 12.1, Size: 12157035487K, Build: 21C52
* Title: macOS Monterey, Version: 12.0.1, Size: 12128428704K, Build: 21A559 <-- Currently running this version
* Title: macOS Big Sur, Version: 11.6.4, Size: 12439328867K, Build: 20G417
* Title: macOS Big Sur, Version: 11.6.3, Size: 12435122667K, Build: 20G415
* Title: macOS Big Sur, Version: 11.6.2, Size: 12433351292K, Build: 20G314
* Title: macOS Big Sur, Version: 11.6.1, Size: 12428472512K, Build: 20G224
* Title: macOS Big Sur, Version: 11.5.2, Size: 12440916552K, Build: 20G95
* Title: macOS Catalina, Version: 10.15.7, Size: 8248985973K, Build: 19H15
* Title: macOS Catalina, Version: 10.15.7, Size: 8248854894K, Build: 19H2
* Title: macOS Catalina, Version: 10.15.6, Size: 8248781171K, Build: 19G2021
* Title: macOS Mojave, Version: 10.14.6, Size: 6038419486K, Build: 18G103
softwareupdate -i -a
Software Update Tool
Finding available software
No updates are available. <--??????
softwareupdate --fetch-full-installer --full-installer-version 12.2.1
Scanning for 12.2.1 installer
Install finished successfully <--- SWEET!!!
The installer downloaded and was listed as "Install macOS Monterey" in my Applications folder (12.2GB)
I ran the installer as normal.