22100221020120 has 32 divisors (see below), whose sum is σ = 66300663060720. Its totient is φ = 5893392272000.

The previous prime is 22100221020113. The next prime is 22100221020161. The reversal of 22100221020120 is 2102012200122.

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 22100221020120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92084254131 + ... + 92084254370.

Almost surely, 2^{22100221020120} is an apocalyptic number.

22100221020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22100221020120 is an abundant number, since it is smaller than the sum of its proper divisors (44200442040600).

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

22100221020120 is a wasteful number, since it uses less digits than its factorization.

22100221020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184168508515 (or 184168508511 counting only the distinct ones).

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

Adding to 22100221020120 its reverse (2102012200122), we get a palindrome (24202233220242).

The spelling of 22100221020120 in words is "twenty-two trillion, one hundred billion, two hundred twenty-one million, twenty thousand, one hundred twenty".