This is not computer related but pretty funny (I guess it depends on the way you look at it). I certainly would be shocked if the bank sent me a letter claiming that I owed $211 trillion. ;-)

Martins said he recently closed an account at Wachovia Bank and made good on an outstanding check. He just got a letter about the closure and his negative balance -- $211,010,028,257,303.00. That’s $211 trillion.