22012111000 has 64 divisors (see below), whose sum is σ = 56190944160. Its totient is φ = 8004400000.

The previous prime is 22012110979. The next prime is 22012111027. The reversal of 22012111000 is 11121022.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 989551 + ... + 1011550.

Almost surely, 2^22012111000 is an apocalyptic number.

22012111000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22012111000 is an abundant number, since it is smaller than the sum of its proper divisors (34178833160).

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

22012111000 is a wasteful number, since it uses less digits than its factorization.

22012111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001133 (or 2001119 counting only the distinct ones).

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

Adding to 22012111000 its reverse (11121022), we get a palindrome (22023232022).

The spelling of 22012111000 in words is "twenty-two billion, twelve million, one hundred eleven thousand".