It is a cyclic number.
It is a Duffinian number.
Almost surely, 221442023402433 is an apocalyptic number.
It is an amenable number.
21442023402433 is a wasteful number, since it uses less digits than its factorization.
21442023402433 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91288.
Adding to 21442023402433 its reverse (33420432024412), we get a palindrome (54862455426845).
The spelling of 21442023402433 in words is "twenty-one trillion, four hundred forty-two billion, twenty-three million, four hundred two thousand, four hundred thirty-three".