211333077871 has 2 divisors, whose sum is σ = 211333077872. Its totient is φ = 211333077870.

The previous prime is 211333077797. The next prime is 211333077929. The reversal of 211333077871 is 178770333112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211333077871 - 2²³ = 211324689263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211333078871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105666538935 + 105666538936.

It is an arithmetic number, because the mean of its divisors is an integer number (105666538936).

Almost surely, 2^211333077871 is an apocalyptic number.

211333077871 is a deficient number, since it is larger than the sum of its proper divisors (1).

211333077871 is an equidigital number, since it uses as much as digits as its factorization.

211333077871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 148176, while the sum is 43.

The spelling of 211333077871 in words is "two hundred eleven billion, three hundred thirty-three million, seventy-seven thousand, eight hundred seventy-one".