202220313122213 has 4 divisors (see below), whose sum is σ = 202220342654880. Its totient is φ = 202220283589548.

The previous prime is 202220313122189. The next prime is 202220313122249. The reversal of 202220313122213 is 312221313022202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202220313122213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202220313122273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1416206 + ... + 20160512.

It is an arithmetic number, because the mean of its divisors is an integer number (50555085663720).

Almost surely, 2^{202220313122213} is an apocalyptic number.

It is an amenable number.

202220313122213 is a deficient number, since it is larger than the sum of its proper divisors (29532667).

202220313122213 is a wasteful number, since it uses less digits than its factorization.

202220313122213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29532666.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 202220313122213 its reverse (312221313022202), we get a palindrome (514441626144415).

The spelling of 202220313122213 in words is "two hundred two trillion, two hundred twenty billion, three hundred thirteen million, one hundred twenty-two thousand, two hundred thirteen".