Il numero 10021, diecimilaventuno in Italiano, in Inglese si dice ten thousand twenty-one.
Il numero ordinale 10021° in inglese si dice ten thousand twenty-first.
10012: ten thousand twelve
10013: ten thousand thirteen
10014: ten thousand fourteen
10015: ten thousand fifteen
10016: ten thousand sixteen
10017: ten thousand seventeen
10018: ten thousand eighteen
10019: ten thousand nineteen
10020: ten thousand twenty
10022: ten thousand twenty-two
10023: ten thousand twenty-three
10024: ten thousand twenty-four
10025: ten thousand twenty-five
10026: ten thousand twenty-six
10027: ten thousand twenty-seven
10028: ten thousand twenty-eight
10029: ten thousand twenty-nine
10030: ten thousand thirty