A "repack" is a version of software that has been modified or re-bundled by someone other than the original developer. While often sought for "offline" or "pre-activated" convenience, they carry significant security risks: Android Studio 2022.1.1.21 For Windows | Download
From the available information, the numeric string 20221121 most likely refers to the stable release . This version was released alongside Android Gradle Plugin 7.4.2. android studio 20221121 for windows repack