22112211100100 has 72 divisors (see below), whose sum is σ = 52349876872608. Its totient is φ = 8040152332800.

The previous prime is 22112211100097. The next prime is 22112211100103. The reversal of 22112211100100 is 100111221122.

It is an interprime number because it is at equal distance from previous prime (22112211100097) and next prime (22112211100103).

It is not an unprimeable number, because it can be changed into a prime (22112211100103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12867887 + ... + 14484713.

Almost surely, 2^{22112211100100} is an apocalyptic number.

22112211100100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22112211100100 is an abundant number, since it is smaller than the sum of its proper divisors (30237665772508).

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

22112211100100 is a wasteful number, since it uses less digits than its factorization.

22112211100100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629285 (or 1629278 counting only the distinct ones).

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

Adding to 22112211100100 its reverse (100111221122), we get a palindrome (22212322321222).

The spelling of 22112211100100 in words is "twenty-two trillion, one hundred twelve billion, two hundred eleven million, one hundred thousand, one hundred".