22100121020120 has 128 divisors (see below), whose sum is σ = 58421171592000. Its totient is φ = 7417883412480.

The previous prime is 22100121020119. The next prime is 22100121020129. The reversal of 22100121020120 is 2102012100122.

It is a junction number, because it is equal to n+sod(n) for n = 22100121020095 and 22100121020104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100121020129) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 146293586 + ... + 146444574.

Almost surely, 2^{22100121020120} is an apocalyptic number.

22100121020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22100121020120 is an abundant number, since it is smaller than the sum of its proper divisors (36321050571880).

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

22100121020120 is a wasteful number, since it uses less digits than its factorization.

22100121020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176613 (or 176609 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22100121020120 its reverse (2102012100122), we get a palindrome (24202133120242).

The spelling of 22100121020120 in words is "twenty-two trillion, one hundred billion, one hundred twenty-one million, twenty thousand, one hundred twenty".