22111200211100 has 216 divisors, whose sum is σ = 65572853725008. Its totient is φ = 6361663795200.

The previous prime is 22111200211019. The next prime is 22111200211147. The reversal of 22111200211100 is 111200211122.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 15077237 + ... + 16478636.

Almost surely, 2^{22111200211100} is an apocalyptic number.

22111200211100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22111200211100 is an abundant number, since it is smaller than the sum of its proper divisors (43461653513908).

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

22111200211100 is a wasteful number, since it uses less digits than its factorization.

22111200211100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31555925 (or 31555911 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22111200211100 its reverse (111200211122), we get a palindrome (22222400422222).

The spelling of 22111200211100 in words is "twenty-two trillion, one hundred eleven billion, two hundred million, two hundred eleven thousand, one hundred".