211022211102091 has 2 divisors, whose sum is σ = 211022211102092. Its totient is φ = 211022211102090.

The previous prime is 211022211102071. The next prime is 211022211102191. The reversal of 211022211102091 is 190201112220112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211022211102091 - 2¹⁵ = 211022211069323 is a prime.

It is not a weakly prime, because it can be changed into another prime (211022211102011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105511105551045 + 105511105551046.

It is an arithmetic number, because the mean of its divisors is an integer number (105511105551046).

Almost surely, 2^{211022211102091} is an apocalyptic number.

211022211102091 is a deficient number, since it is larger than the sum of its proper divisors (1).

211022211102091 is an equidigital number, since it uses as much as digits as its factorization.

211022211102091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 211022211102091 in words is "two hundred eleven trillion, twenty-two billion, two hundred eleven million, one hundred two thousand, ninety-one".