22111122211100 has 36 divisors (see below), whose sum is σ = 51671991754824. Its totient is φ = 8164106662080.

The previous prime is 22111122211097. The next prime is 22111122211151. The reversal of 22111122211100 is 111222111122.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8504276474 + ... + 8504279073.

Almost surely, 2^{22111122211100} is an apocalyptic number.

22111122211100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22111122211100 is an abundant number, since it is smaller than the sum of its proper divisors (29560869543724).

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

22111122211100 is a wasteful number, since it uses less digits than its factorization.

22111122211100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17008555574 (or 17008555567 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22111122211100 its reverse (111222111122), we get a palindrome (22222344322222).

The spelling of 22111122211100 in words is "twenty-two trillion, one hundred eleven billion, one hundred twenty-two million, two hundred eleven thousand, one hundred".