22122201000120 has 128 divisors (see below), whose sum is σ = 71485879449600. Its totient is φ = 5444386527744.

The previous prime is 22122201000073. The next prime is 22122201000149. The reversal of 22122201000120 is 2100010222122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22122201000120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6490489 + ... + 9293591.

It is an arithmetic number, because the mean of its divisors is an integer number (558483433200).

Almost surely, 2^{22122201000120} is an apocalyptic number.

22122201000120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22122201000120 is an abundant number, since it is smaller than the sum of its proper divisors (49363678449480).

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

22122201000120 is a wasteful number, since it uses less digits than its factorization.

22122201000120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808189 (or 2808185 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22122201000120 its reverse (2100010222122), we get a palindrome (24222211222242).

The spelling of 22122201000120 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred one million, one hundred twenty", and thus it is an aban number.