22101022120120 has 32 divisors (see below), whose sum is σ = 50106897490320. Its totient is φ = 8772924808960.

The previous prime is 22101022120109. The next prime is 22101022120139. The reversal of 22101022120120 is 2102122010122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22101022120094 and 22101022120103.

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, 2108870917 + ... + 2108881396.

Almost surely, 2^{22101022120120} is an apocalyptic number.

22101022120120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22101022120120 is an abundant number, since it is smaller than the sum of its proper divisors (28005875370200).

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

22101022120120 is a wasteful number, since it uses less digits than its factorization.

22101022120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4217752455 (or 4217752451 counting only the distinct ones).

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

Adding to 22101022120120 its reverse (2102122010122), we get a palindrome (24203144130242).

The spelling of 22101022120120 in words is "twenty-two trillion, one hundred one billion, twenty-two million, one hundred twenty thousand, one hundred twenty".