211468906616171 has 2 divisors, whose sum is σ = 211468906616172. Its totient is φ = 211468906616170.

The previous prime is 211468906616059. The next prime is 211468906616173. The reversal of 211468906616171 is 171616609864112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211468906616171 - 2²² = 211468902421867 is a prime.

It is a Sophie Germain prime.

Together with 211468906616173, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211468906616171.

It is not a weakly prime, because it can be changed into another prime (211468906616173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105734453308085 + 105734453308086.

It is an arithmetic number, because the mean of its divisors is an integer number (105734453308086).

Almost surely, 2^{211468906616171} is an apocalyptic number.

211468906616171 is a deficient number, since it is larger than the sum of its proper divisors (1).

211468906616171 is an equidigital number, since it uses as much as digits as its factorization.

211468906616171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5225472, while the sum is 59.

The spelling of 211468906616171 in words is "two hundred eleven trillion, four hundred sixty-eight billion, nine hundred six million, six hundred sixteen thousand, one hundred seventy-one".