211313121967 has 2 divisors, whose sum is σ = 211313121968. Its totient is φ = 211313121966.

The previous prime is 211313121947. The next prime is 211313122019. The reversal of 211313121967 is 769121313112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211313121967 - 2²⁷ = 211178904239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211313121917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105656560983 + 105656560984.

It is an arithmetic number, because the mean of its divisors is an integer number (105656560984).

Almost surely, 2^211313121967 is an apocalyptic number.

211313121967 is a deficient number, since it is larger than the sum of its proper divisors (1).

211313121967 is an equidigital number, since it uses as much as digits as its factorization.

211313121967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 37.

The spelling of 211313121967 in words is "two hundred eleven billion, three hundred thirteen million, one hundred twenty-one thousand, nine hundred sixty-seven".