2211210102191 has 2 divisors, whose sum is σ = 2211210102192. Its totient is φ = 2211210102190.

The previous prime is 2211210102169. The next prime is 2211210102223. The reversal of 2211210102191 is 1912010121122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2211210102191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2211210102131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105605051095 + 1105605051096.

It is an arithmetic number, because the mean of its divisors is an integer number (1105605051096).

Almost surely, 2^{2211210102191} is an apocalyptic number.

2211210102191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211210102191 is an equidigital number, since it uses as much as digits as its factorization.

2211210102191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 2211210102191 in words is "two trillion, two hundred eleven billion, two hundred ten million, one hundred two thousand, one hundred ninety-one".