2031210220122 has 48 divisors (see below), whose sum is σ = 4538229845760. Its totient is φ = 656230664736.

The previous prime is 2031210220111. The next prime is 2031210220211. The reversal of 2031210220122 is 2210220121302.

2031210220122 is a `hidden beast` number, since 2 + 0 + 312 + 10 + 220 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2031210220095 and 2031210220104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11567997 + ... + 11742272.

It is an arithmetic number, because the mean of its divisors is an integer number (94546455120).

Almost surely, 2^{2031210220122} is an apocalyptic number.

2031210220122 is an abundant number, since it is smaller than the sum of its proper divisors (2507019625638).

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

2031210220122 is a wasteful number, since it uses less digits than its factorization.

2031210220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23310427 (or 23310424 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2031210220122 its reverse (2210220121302), we get a palindrome (4241430341424).

The spelling of 2031210220122 in words is "two trillion, thirty-one billion, two hundred ten million, two hundred twenty thousand, one hundred twenty-two".