22111100110100 has 36 divisors (see below), whose sum is σ = 50067221471904. Its totient is φ = 8459899171680.

The previous prime is 22111100110037. The next prime is 22111100110103. The reversal of 22111100110100 is 101100111122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111100110103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4806758594 + ... + 4806763193.

Almost surely, 2^{22111100110100} is an apocalyptic number.

22111100110100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22111100110100 is an abundant number, since it is smaller than the sum of its proper divisors (27956121361804).

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

22111100110100 is a wasteful number, since it uses less digits than its factorization.

22111100110100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9613521824 (or 9613521817 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 22111100110100 its reverse (101100111122), we get a palindrome (22212200221222).

The spelling of 22111100110100 in words is "twenty-two trillion, one hundred eleven billion, one hundred million, one hundred ten thousand, one hundred".