211123122319 has 2 divisors, whose sum is σ = 211123122320. Its totient is φ = 211123122318.

The previous prime is 211123122307. The next prime is 211123122389. The reversal of 211123122319 is 913221321112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211123122319 - 2⁷ = 211123122191 is a prime.

It is a super-2 number, since 2×211123122319² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211123122389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105561561159 + 105561561160.

It is an arithmetic number, because the mean of its divisors is an integer number (105561561160).

Almost surely, 2^211123122319 is an apocalyptic number.

211123122319 is a deficient number, since it is larger than the sum of its proper divisors (1).

211123122319 is an equidigital number, since it uses as much as digits as its factorization.

211123122319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 28.

The spelling of 211123122319 in words is "two hundred eleven billion, one hundred twenty-three million, one hundred twenty-two thousand, three hundred nineteen".