202201212121013 has 8 divisors (see below), whose sum is σ = 231087205916928. Its totient is φ = 173315244912624.

The previous prime is 202201212120977. The next prime is 202201212121021. The reversal of 202201212121013 is 310121212102202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202201212121013 - 2¹⁴ = 202201212104629 is a prime.

It is a super-2 number, since 2×202201212121013² (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 (202201212120013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13872995 + ... + 24430767.

It is an arithmetic number, because the mean of its divisors is an integer number (28885900739616).

Almost surely, 2^{202201212121013} is an apocalyptic number.

It is an amenable number.

202201212121013 is a deficient number, since it is larger than the sum of its proper divisors (28885993795915).

202201212121013 is a wasteful number, since it uses less digits than its factorization.

202201212121013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13293763.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 202201212121013 its reverse (310121212102202), we get a palindrome (512322424223215).

The spelling of 202201212121013 in words is "two hundred two trillion, two hundred one billion, two hundred twelve million, one hundred twenty-one thousand, thirteen".