22201112120 has 64 divisors (see below), whose sum is σ = 55261232640. Its totient is φ = 7959414400.

The previous prime is 22201112113. The next prime is 22201112137. The reversal of 22201112120 is 2121110222.

It is a junction number, because it is equal to n+sod(n) for n = 22201112095 and 22201112104.

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, 324092 + ... + 386571.

It is an arithmetic number, because the mean of its divisors is an integer number (863456760).

Almost surely, 2^22201112120 is an apocalyptic number.

22201112120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201112120 is an abundant number, since it is smaller than the sum of its proper divisors (33060120520).

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

22201112120 is a wasteful number, since it uses less digits than its factorization.

22201112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710756 (or 710752 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22201112120 its reverse (2121110222), we get a palindrome (24322222342).

The spelling of 22201112120 in words is "twenty-two billion, two hundred one million, one hundred twelve thousand, one hundred twenty".