However, if you don't remember your password, have no recovery email attached to your account and no longer have access to the number that you created your account with... unfortunately, it is not possible to recover your Gmail account. You will have to create a new account. If you do, I recommend that you create it on a desktop device and add multiple recovery options.
Yes, it is now difficult to regain access to your account if you have forgotten the password as well as the alternative recovery. You can try one thing, go to the help section and report or provide feedback mentioning the issue.