Fait général: 21201 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 21201 is an uninteresting number.
Culture générale: 21201 is a boring number.
Date historique: January 16th is the day in 1572 that Thomas Howard, 4th Duke of Norfolk is tried for treason for his part in the Ridolfi plot to restore Catholicism in England.