Fatto generale: 21033 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 21033 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 21033 is an uninteresting number.
Data storica: August 1st is the day in 2007 that the I-35W Mississippi River Bridge spanning the Mississippi River in Minneapolis, Minnesota, collapses during the evening rush hour.