22012113100 has 36 divisors (see below), whose sum is σ = 47832876000. Its totient is φ = 8792570560.

The previous prime is 22012113089. The next prime is 22012113103. The reversal of 22012113100 is 131121022.

It is a super-2 number, since 2×22012113100² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22012113103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81175 + ... + 224974.

It is an arithmetic number, because the mean of its divisors is an integer number (1328691000).

Almost surely, 2^22012113100 is an apocalyptic number.

22012113100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22012113100 is an abundant number, since it is smaller than the sum of its proper divisors (25820762900).

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

22012113100 is a wasteful number, since it uses less digits than its factorization.

22012113100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306882 (or 306875 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 22012113100 its reverse (131121022), we get a palindrome (22143234122).

The spelling of 22012113100 in words is "twenty-two billion, twelve million, one hundred thirteen thousand, one hundred".