2031021123202 has 4 divisors (see below), whose sum is σ = 3046531684806. Its totient is φ = 1015510561600.

The previous prime is 2031021123199. The next prime is 2031021123253. The reversal of 2031021123202 is 2023211201302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1884055466881 + 146965656321 = 1372609^2 + 383361^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2031021123202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507755280799 + ... + 507755280802.

Almost surely, 2^{2031021123202} is an apocalyptic number.

2031021123202 is a deficient number, since it is larger than the sum of its proper divisors (1015510561604).

2031021123202 is a wasteful number, since it uses less digits than its factorization.

2031021123202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015510561603.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2031021123202 its reverse (2023211201302), we get a palindrome (4054232324504).

The spelling of 2031021123202 in words is "two trillion, thirty-one billion, twenty-one million, one hundred twenty-three thousand, two hundred two".