22111113100 has 18 divisors (see below), whose sum is σ = 47981115644. Its totient is φ = 8844445200.

The previous prime is 22111113083. The next prime is 22111113139. The reversal of 22111113100 is 131111122.

It is a happy number.

It is a super-2 number, since 2×22111113100² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 110555466 + ... + 110555665.

Almost surely, 2^22111113100 is an apocalyptic number.

22111113100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22111113100 is an abundant number, since it is smaller than the sum of its proper divisors (25870002544).

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

22111113100 is a wasteful number, since it uses less digits than its factorization.

22111113100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221111145 (or 221111138 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 22111113100 its reverse (131111122), we get a palindrome (22242224222).

The spelling of 22111113100 in words is "twenty-two billion, one hundred eleven million, one hundred thirteen thousand, one hundred".