215252223666211 has 2 divisors, whose sum is σ = 215252223666212. Its totient is φ = 215252223666210.

The previous prime is 215252223666173. The next prime is 215252223666349. The reversal of 215252223666211 is 112666322252512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 215252223666211 - 2¹⁵ = 215252223633443 is a prime.

It is not a weakly prime, because it can be changed into another prime (215252223466211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107626111833105 + 107626111833106.

It is an arithmetic number, because the mean of its divisors is an integer number (107626111833106).

Almost surely, 2^{215252223666211} is an apocalyptic number.

215252223666211 is a deficient number, since it is larger than the sum of its proper divisors (1).

215252223666211 is an equidigital number, since it uses as much as digits as its factorization.

215252223666211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1036800, while the sum is 46.

The spelling of 215252223666211 in words is "two hundred fifteen trillion, two hundred fifty-two billion, two hundred twenty-three million, six hundred sixty-six thousand, two hundred eleven".