22021122211012 has 24 divisors (see below), whose sum is σ = 40066097148000. Its totient is φ = 10581682309440.

The previous prime is 22021122210979. The next prime is 22021122211019. The reversal of 22021122211012 is 21011222112022.

It is not an unprimeable number, because it can be changed into a prime (22021122211019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1002042262 + ... + 1002064237.

It is an arithmetic number, because the mean of its divisors is an integer number (1669420714500).

Almost surely, 2^{22021122211012} is an apocalyptic number.

It is an amenable number.

22021122211012 is a deficient number, since it is larger than the sum of its proper divisors (18044974936988).

22021122211012 is a wasteful number, since it uses less digits than its factorization.

22021122211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004106611 (or 2004106609 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22021122211012 its reverse (21011222112022), we get a palindrome (43032344323034).

The spelling of 22021122211012 in words is "twenty-two trillion, twenty-one billion, one hundred twenty-two million, two hundred eleven thousand, twelve".