22022200121112 has 48 divisors (see below), whose sum is σ = 63151897409640. Its totient is φ = 6908925527808.

The previous prime is 22022200121107. The next prime is 22022200121167. The reversal of 22022200121112 is 21112100222022.

It is a happy number.

22022200121112 is a `hidden beast` number, since 220 + 2 + 220 + 0 + 1 + 211 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8995995558 + ... + 8995998005.

Almost surely, 2^{22022200121112} is an apocalyptic number.

It is an amenable number.

22022200121112 is an abundant number, since it is smaller than the sum of its proper divisors (41129697288528).

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

22022200121112 is a wasteful number, since it uses less digits than its factorization.

22022200121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17991993592 (or 17991993585 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22022200121112 its reverse (21112100222022), we get a palindrome (43134300343134).

The spelling of 22022200121112 in words is "twenty-two trillion, twenty-two billion, two hundred million, one hundred twenty-one thousand, one hundred twelve".