211210311111139 has 2 divisors, whose sum is σ = 211210311111140. Its totient is φ = 211210311111138.

The previous prime is 211210311111077. The next prime is 211210311111179. The reversal of 211210311111139 is 931111113012112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211210311111139 - 2²⁷ = 211210176893411 is a prime.

It is not a weakly prime, because it can be changed into another prime (211210311111179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105605155555569 + 105605155555570.

It is an arithmetic number, because the mean of its divisors is an integer number (105605155555570).

Almost surely, 2^{211210311111139} is an apocalyptic number.

211210311111139 is a deficient number, since it is larger than the sum of its proper divisors (1).

211210311111139 is an equidigital number, since it uses as much as digits as its factorization.

211210311111139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 28.

The spelling of 211210311111139 in words is "two hundred eleven trillion, two hundred ten billion, three hundred eleven million, one hundred eleven thousand, one hundred thirty-nine".