213302222251 has 2 divisors, whose sum is σ = 213302222252. Its totient is φ = 213302222250.

The previous prime is 213302222039. The next prime is 213302222267. The reversal of 213302222251 is 152222203312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213302222251 - 2¹⁹ = 213301697963 is a prime.

It is not a weakly prime, because it can be changed into another prime (213302222281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106651111125 + 106651111126.

It is an arithmetic number, because the mean of its divisors is an integer number (106651111126).

Almost surely, 2^213302222251 is an apocalyptic number.

213302222251 is a deficient number, since it is larger than the sum of its proper divisors (1).

213302222251 is an equidigital number, since it uses as much as digits as its factorization.

213302222251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 213302222251 its reverse (152222203312), we get a palindrome (365524425563).

The spelling of 213302222251 in words is "two hundred thirteen billion, three hundred two million, two hundred twenty-two thousand, two hundred fifty-one".