211022211102191 has 2 divisors, whose sum is σ = 211022211102192. Its totient is φ = 211022211102190.

The previous prime is 211022211102091. The next prime is 211022211102193. The reversal of 211022211102191 is 191201112220112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211022211102191 - 2²² = 211022206907887 is a prime.

Together with 211022211102193, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211022211102191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211022211102193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105511105551095 + 105511105551096.

It is an arithmetic number, because the mean of its divisors is an integer number (105511105551096).

Almost surely, 2^{211022211102191} is an apocalyptic number.

211022211102191 is a deficient number, since it is larger than the sum of its proper divisors (1).

211022211102191 is an equidigital number, since it uses as much as digits as its factorization.

211022211102191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 26.

The spelling of 211022211102191 in words is "two hundred eleven trillion, twenty-two billion, two hundred eleven million, one hundred two thousand, one hundred ninety-one".