22200121211012 has 24 divisors (see below), whose sum is σ = 38917539583104. Its totient is φ = 11080825300512.

The previous prime is 22200121211011. The next prime is 22200121211039. The reversal of 22200121211012 is 21011212100222.

It is not an unprimeable number, because it can be changed into a prime (22200121211011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93159998 + ... + 93397994.

It is an arithmetic number, because the mean of its divisors is an integer number (1621564149296).

Almost surely, 2^{22200121211012} is an apocalyptic number.

It is an amenable number.

22200121211012 is a deficient number, since it is larger than the sum of its proper divisors (16717418372092).

22200121211012 is a wasteful number, since it uses less digits than its factorization.

22200121211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278315 (or 278313 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22200121211012 its reverse (21011212100222), we get a palindrome (43211333311234).

The spelling of 22200121211012 in words is "twenty-two trillion, two hundred billion, one hundred twenty-one million, two hundred eleven thousand, twelve".