211144312999 has 2 divisors, whose sum is σ = 211144313000. Its totient is φ = 211144312998.

The previous prime is 211144312987. The next prime is 211144313027. The reversal of 211144312999 is 999213441112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211144312999 - 2⁷ = 211144312871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211144312949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105572156499 + 105572156500.

It is an arithmetic number, because the mean of its divisors is an integer number (105572156500).

Almost surely, 2^211144312999 is an apocalyptic number.

211144312999 is a deficient number, since it is larger than the sum of its proper divisors (1).

211144312999 is an equidigital number, since it uses as much as digits as its factorization.

211144312999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 46.

The spelling of 211144312999 in words is "two hundred eleven billion, one hundred forty-four million, three hundred twelve thousand, nine hundred ninety-nine".