202001031221013 has 12 divisors (see below), whose sum is σ = 295472675767360. Its totient is φ = 132962704094376.

The previous prime is 202001031220997. The next prime is 202001031221023. The reversal of 202001031221013 is 310122130100202.

It is not a de Polignac number, because 202001031221013 - 2⁴ = 202001031220997 is a prime.

It is a super-2 number, since 2×202001031221013² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202001031221023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142054170331 + ... + 142054171752.

Almost surely, 2^{202001031221013} is an apocalyptic number.

It is an amenable number.

202001031221013 is a deficient number, since it is larger than the sum of its proper divisors (93471644546347).

202001031221013 is a wasteful number, since it uses less digits than its factorization.

202001031221013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284108342168 (or 284108342165 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 202001031221013 its reverse (310122130100202), we get a palindrome (512123161321215).

The spelling of 202001031221013 in words is "two hundred two trillion, one billion, thirty-one million, two hundred twenty-one thousand, thirteen".