- Traditional Chinese Character(HanT):
221年
- Simplified Chinese Character(HanS):
221年
- Bopomofo(Mandarin Phonetic Symbols): ㄦˋ ㄦˋ ㄧ ㄋㄧㄢˊ (ㄦㄦㄧㄋ)
- Bopomofo(Zhuyin Keyboard Input/IME): "-4-4u su06" (-4-4usu06)
- (ASCII) Hanyu Pinyin: "ereryinian" "Er4Er4Yi1Nian2" "Er4 Er4 Yi1 Nian2" (EEYN)
- (Latin) Hànyǔ Pīnyīn: èrèrYī [ èr èr Yī ]
- (英文翻譯) English Translation: "221"
- (西語翻譯) Traducción Español: "221"
- (日文翻譯) 日本語翻訳: "221"