22010111111200 has 36 divisors (see below), whose sum is σ = 53732183752170. Its totient is φ = 8804044444160.

The previous prime is 22010111111173. The next prime is 22010111111231. The reversal of 22010111111200 is 211111101022.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 11957127736464 + 10052983374736 = 3457908^2 + 3170644^2 .

It is a super-2 number, since 2×22010111111200² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13756318645 + ... + 13756320244.

Almost surely, 2^{22010111111200} is an apocalyptic number.

22010111111200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22010111111200 is an abundant number, since it is smaller than the sum of its proper divisors (31722072640970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22010111111200 is a wasteful number, since it uses less digits than its factorization.

22010111111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27512638909 (or 27512638896 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 22010111111200 its reverse (211111101022), we get a palindrome (22221222212222).

The spelling of 22010111111200 in words is "twenty-two trillion, ten billion, one hundred eleven million, one hundred eleven thousand, two hundred".