General fact: 2111 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 2111 is an unremarkable number.
Trivia: 2111 is a boring number.
Historical date: October 11th is the day in 1972 that a race riot occurs on the United States Navy aircraft carrier Kitty Hawk off the coast of Vietnam during Operation Linebacker.