2031021030122 has 12 divisors (see below), whose sum is σ = 3543924450690. Its totient is φ = 870437584296.

The previous prime is 2031021030089. The next prime is 2031021030131. The reversal of 2031021030122 is 2210301201302.

It can be written as a sum of positive squares in only one way, i.e., 2001831649321 + 29189380801 = 1414861^2 + 170849^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2031021030122.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10362352097 + ... + 10362352292.

Almost surely, 2^{2031021030122} is an apocalyptic number.

2031021030122 is a deficient number, since it is larger than the sum of its proper divisors (1512903420568).

2031021030122 is a wasteful number, since it uses less digits than its factorization.

2031021030122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20724704405 (or 20724704398 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2031021030122 its reverse (2210301201302), we get a palindrome (4241322231424).

The spelling of 2031021030122 in words is "two trillion, thirty-one billion, twenty-one million, thirty thousand, one hundred twenty-two".