202221212013 has 20 divisors (see below), whose sum is σ = 308510854080. Its totient is φ = 131945752872.

The previous prime is 202221211979. The next prime is 202221212023. The reversal of 202221212013 is 310212122202.

It is not a de Polignac number, because 202221212013 - 2²⁴ = 202204434797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202221212023) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26555323 + ... + 26562936.

It is an arithmetic number, because the mean of its divisors is an integer number (15425542704).

Almost surely, 2^202221212013 is an apocalyptic number.

It is an amenable number.

202221212013 is a deficient number, since it is larger than the sum of its proper divisors (106289642067).

202221212013 is an equidigital number, since it uses as much as digits as its factorization.

202221212013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53118318 (or 53118309 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 202221212013 its reverse (310212122202), we get a palindrome (512433334215).

The spelling of 202221212013 in words is "two hundred two billion, two hundred twenty-one million, two hundred twelve thousand, thirteen".