22102100112 has 40 divisors (see below), whose sum is σ = 60455746656. Its totient is φ = 6933991936.

The previous prime is 22102100093. The next prime is 22102100117. The reversal of 22102100112 is 21100120122.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (22102100117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13542138 + ... + 13543769.

Almost surely, 2^22102100112 is an apocalyptic number.

It is an amenable number.

22102100112 is an abundant number, since it is smaller than the sum of its proper divisors (38353646544).

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

22102100112 is a wasteful number, since it uses less digits than its factorization.

22102100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27085935 (or 27085929 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22102100112 its reverse (21100120122), we get a palindrome (43202220234).

The spelling of 22102100112 in words is "twenty-two billion, one hundred two million, one hundred thousand, one hundred twelve".