?字UNICODE编码U+21C57,10进制: 138327,UTF-32: 00021C57,UTF-8: F0 A1 B1 97。天天查询zI.tTcX.NeT提供
?字位于中日韩统一表意文字扩充B区(CJK Unified Ideographs Extension B)。(TtcX.NeT)