210020122031120 has 80 divisors (see below), whose sum is σ = 517023071798400. Its totient is φ = 79065948076032.

The previous prime is 210020122031087. The next prime is 210020122031143. The reversal of 210020122031120 is 21130221020012.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328505531 + ... + 329144229.

It is an arithmetic number, because the mean of its divisors is an integer number (6462788397480).

Almost surely, 2^{210020122031120} is an apocalyptic number.

210020122031120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210020122031120 is an abundant number, since it is smaller than the sum of its proper divisors (307002949767280).

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

210020122031120 is a wasteful number, since it uses less digits than its factorization.

210020122031120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880512 (or 880506 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 210020122031120 its reverse (21130221020012), we get a palindrome (231150343051132).

The spelling of 210020122031120 in words is "two hundred ten trillion, twenty billion, one hundred twenty-two million, thirty-one thousand, one hundred twenty".