211012303110391 has 2 divisors, whose sum is σ = 211012303110392. Its totient is φ = 211012303110390.

The previous prime is 211012303110319. The next prime is 211012303110421. The reversal of 211012303110391 is 193011303210112.

Together with previous prime (211012303110319) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211012303110391 - 2¹⁷ = 211012302979319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211012303110311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105506151555195 + 105506151555196.

It is an arithmetic number, because the mean of its divisors is an integer number (105506151555196).

Almost surely, 2^{211012303110391} is an apocalyptic number.

211012303110391 is a deficient number, since it is larger than the sum of its proper divisors (1).

211012303110391 is an equidigital number, since it uses as much as digits as its factorization.

211012303110391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 28.

The spelling of 211012303110391 in words is "two hundred eleven trillion, twelve billion, three hundred three million, one hundred ten thousand, three hundred ninety-one".