210131022120 has 128 divisors (see below), whose sum is σ = 702605404800. Its totient is φ = 49963032576.

The previous prime is 210131022119. The next prime is 210131022149. The reversal of 210131022120 is 21220131012.

210131022120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 210131022120.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2671909 + ... + 2749428.

It is an arithmetic number, because the mean of its divisors is an integer number (5489104725).

Almost surely, 2^210131022120 is an apocalyptic number.

210131022120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210131022120 is an abundant number, since it is smaller than the sum of its proper divisors (492474382680).

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

210131022120 is a wasteful number, since it uses less digits than its factorization.

210131022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5421387 (or 5421383 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 210131022120 its reverse (21220131012), we get a palindrome (231351153132).

The spelling of 210131022120 in words is "two hundred ten billion, one hundred thirty-one million, twenty-two thousand, one hundred twenty".