22112202012120 has 96 divisors (see below), whose sum is σ = 78397807147920. Its totient is φ = 5360533820160.

The previous prime is 22112202012113. The next prime is 22112202012163. The reversal of 22112202012120 is 2121020221122.

It is a happy number.

22112202012120 is a `hidden beast` number, since 2 + 211 + 220 + 20 + 1 + 212 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 22112202012093 and 22112202012102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2791940739 + ... + 2791948658.

Almost surely, 2^{22112202012120} is an apocalyptic number.

22112202012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22112202012120 is an abundant number, since it is smaller than the sum of its proper divisors (56285605135800).

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

22112202012120 is a wasteful number, since it uses less digits than its factorization.

22112202012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5583889425 (or 5583889418 counting only the distinct ones).

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

Adding to 22112202012120 its reverse (2121020221122), we get a palindrome (24233222233242).

The spelling of 22112202012120 in words is "twenty-two trillion, one hundred twelve billion, two hundred two million, twelve thousand, one hundred twenty".