202211112221213 has 2 divisors, whose sum is σ = 202211112221214. Its totient is φ = 202211112221212.

The previous prime is 202211112221161. The next prime is 202211112221243. The reversal of 202211112221213 is 312122211112202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137054364108484 + 65156748112729 = 11707022^2 + 8071973^2 .

It is a cyclic number.

It is not a de Polignac number, because 202211112221213 - 2¹² = 202211112217117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202211112221243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101105556110606 + 101105556110607.

It is an arithmetic number, because the mean of its divisors is an integer number (101105556110607).

Almost surely, 2^{202211112221213} is an apocalyptic number.

It is an amenable number.

202211112221213 is a deficient number, since it is larger than the sum of its proper divisors (1).

202211112221213 is an equidigital number, since it uses as much as digits as its factorization.

202211112221213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 202211112221213 its reverse (312122211112202), we get a palindrome (514333323333415).

The spelling of 202211112221213 in words is "two hundred two trillion, two hundred eleven billion, one hundred twelve million, two hundred twenty-one thousand, two hundred thirteen".