22101111000120 has 128 divisors (see below), whose sum is σ = 69463675607040. Its totient is φ = 5618385400320.

The previous prime is 22101111000109. The next prime is 22101111000127. The reversal of 22101111000120 is 2100011110122.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 22101111000096 and 22101111000105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101111000127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44087767 + ... + 44586246.

It is an arithmetic number, because the mean of its divisors is an integer number (542684965680).

Almost surely, 2^{22101111000120} is an apocalyptic number.

22101111000120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22101111000120 is an abundant number, since it is smaller than the sum of its proper divisors (47362564606920).

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

22101111000120 is a wasteful number, since it uses less digits than its factorization.

22101111000120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88674125 (or 88674121 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 22101111000120 its reverse (2100011110122), we get a palindrome (24201122110242).

The spelling of 22101111000120 in words is "twenty-two trillion, one hundred one billion, one hundred eleven million, one hundred twenty", and thus it is an aban number.