22101112000 has 112 divisors (see below), whose sum is σ = 59709405600. Its totient is φ = 8036736000.

The previous prime is 22101111997. The next prime is 22101112027. The reversal of 22101112000 is 21110122.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 37575 + ... + 213574.

Almost surely, 2^22101112000 is an apocalyptic number.

22101112000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22101112000 is an abundant number, since it is smaller than the sum of its proper divisors (37608293600).

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

22101112000 is a wasteful number, since it uses less digits than its factorization.

22101112000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251187 (or 251167 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 22101112000 its reverse (21110122), we get a palindrome (22122222122).

The spelling of 22101112000 in words is "twenty-two billion, one hundred one million, one hundred twelve thousand".