Even if the glass is perfectly intact, it sounds likely that the components underneath the glass of your display are broken and will need to be repaired. Your best course of action would be to set up a repair. In the United States, a display replacement for iPhone 11 costs $199, but this price varies by region. Contact a local Apple Store or Apple Authorized Service Provider for more details about pricing.
You can also choose to replace the display using an aftermarket part, which may be more affordable, but certain features of your iPhone may stop functioning if you choose to pursue this route.
About genuine iPhone displays - Apple Support