You'll need to contact Apple Support and request they initiate an Account Recovery process for you. Without a trusted device or phone number to send the code to there is no way to log in to your account.
click here ➜ How to use account recovery when you can’t reset your Apple ID password - Apple Support
The Trusted phone number should never be your own phone number. It should be one you have access to always, even when you don' t have your iPhone with you. It can be an Android device or even a landline from a friend or relative. It just needs to be able to receive SMS messages or an audio call with the code.