211671020171279 has 2 divisors, whose sum is σ = 211671020171280. Its totient is φ = 211671020171278.

The previous prime is 211671020171189. The next prime is 211671020171291. The reversal of 211671020171279 is 972171020176112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211671020171279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211671020131279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105835510085639 + 105835510085640.

It is an arithmetic number, because the mean of its divisors is an integer number (105835510085640).

Almost surely, 2^{211671020171279} is an apocalyptic number.

211671020171279 is a deficient number, since it is larger than the sum of its proper divisors (1).

211671020171279 is an equidigital number, since it uses as much as digits as its factorization.

211671020171279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 148176, while the sum is 47.

The spelling of 211671020171279 in words is "two hundred eleven trillion, six hundred seventy-one billion, twenty million, one hundred seventy-one thousand, two hundred seventy-nine".