It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a Duffinian number.
Almost surely, 221900111110011 is an apocalyptic number.
21900111110011 is a wasteful number, since it uses less digits than its factorization.
21900111110011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 213821.
Adding to 21900111110011 its reverse (11001111100912), we get a palindrome (32901222210923).
The spelling of 21900111110011 in words is "twenty-one trillion, nine hundred billion, one hundred eleven million, one hundred ten thousand, eleven".