Hecho general: 61108 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 61108 is an unremarkable number.
Trivia: 61108 is an uninteresting number.
Fecha histórica: April 22nd is the day in 1915 that the use of poison gas in World War I escalates when chlorine gas is released as a chemical weapon in the Second Battle of Ypres.