211032998657771 has 2 divisors, whose sum is σ = 211032998657772. Its totient is φ = 211032998657770.

The previous prime is 211032998657743. The next prime is 211032998657869. The reversal of 211032998657771 is 177756899230112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211032998657771 is a prime.

It is not a weakly prime, because it can be changed into another prime (211032998657711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105516499328885 + 105516499328886.

It is an arithmetic number, because the mean of its divisors is an integer number (105516499328886).

Almost surely, 2^{211032998657771} is an apocalyptic number.

211032998657771 is a deficient number, since it is larger than the sum of its proper divisors (1).

211032998657771 is an equidigital number, since it uses as much as digits as its factorization.

211032998657771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80015040, while the sum is 68.

The spelling of 211032998657771 in words is "two hundred eleven trillion, thirty-two billion, nine hundred ninety-eight million, six hundred fifty-seven thousand, seven hundred seventy-one".