Fatto generale: 2111 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 2111 is an uninteresting number.
Trivia: 2111 is an unremarkable number.
Data storica: October 11th is the day in 1984 that Aboard the Space Shuttle Challenger, astronaut Kathryn D. Sullivan becomes the first American woman to perform a space walk.