202102110021004 has 12 divisors (see below), whose sum is σ = 353778404626024. Its totient is φ = 101022565842144.

The previous prime is 202102110020971. The next prime is 202102110021029. The reversal of 202102110021004 is 400120011201202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7122276129 + ... + 7122304504.

Almost surely, 2^{202102110021004} is an apocalyptic number.

It is an amenable number.

202102110021004 is a deficient number, since it is larger than the sum of its proper divisors (151676294605020).

202102110021004 is a wasteful number, since it uses less digits than its factorization.

202102110021004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14244584184 (or 14244584182 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202102110021004 its reverse (400120011201202), we get a palindrome (602222121222206).

The spelling of 202102110021004 in words is "two hundred two trillion, one hundred two billion, one hundred ten million, twenty-one thousand, four".