22212120100120 has 32 divisors (see below), whose sum is σ = 49982049565200. Its totient is φ = 8883998379648.

The previous prime is 22212120100097. The next prime is 22212120100193. The reversal of 22212120100120 is 2100102121222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22212120100094 and 22212120100103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26128299 + ... + 26965018.

Almost surely, 2^{22212120100120} is an apocalyptic number.

22212120100120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22212120100120 is an abundant number, since it is smaller than the sum of its proper divisors (27769929465080).

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

22212120100120 is a wasteful number, since it uses less digits than its factorization.

22212120100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53103787 (or 53103783 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22212120100120 its reverse (2100102121222), we get a palindrome (24312222221342).

The spelling of 22212120100120 in words is "twenty-two trillion, two hundred twelve billion, one hundred twenty million, one hundred thousand, one hundred twenty".