210001113122120 has 64 divisors (see below), whose sum is σ = 474013305944640. Its totient is φ = 83731947552000.

The previous prime is 210001113122041. The next prime is 210001113122147. The reversal of 210001113122120 is 21221311100012.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 74090159 + ... + 76872321.

It is an arithmetic number, because the mean of its divisors is an integer number (7406457905385).

Almost surely, 2^{210001113122120} is an apocalyptic number.

210001113122120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210001113122120 is an abundant number, since it is smaller than the sum of its proper divisors (264012192822520).

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

210001113122120 is a wasteful number, since it uses less digits than its factorization.

210001113122120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2788206 (or 2788202 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 210001113122120 its reverse (21221311100012), we get a palindrome (231222424222132).

The spelling of 210001113122120 in words is "two hundred ten trillion, one billion, one hundred thirteen million, one hundred twenty-two thousand, one hundred twenty".