2122001102191 has 2 divisors, whose sum is σ = 2122001102192. Its totient is φ = 2122001102190.

The previous prime is 2122001102189. The next prime is 2122001102213. The reversal of 2122001102191 is 1912011002212.

It is an a-pointer prime, because the next prime (2122001102213) can be obtained adding 2122001102191 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2122001102191 - 2¹ = 2122001102189 is a prime.

Together with 2122001102189, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122007102191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061000551095 + 1061000551096.

It is an arithmetic number, because the mean of its divisors is an integer number (1061000551096).

Almost surely, 2^{2122001102191} is an apocalyptic number.

2122001102191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122001102191 is an equidigital number, since it uses as much as digits as its factorization.

2122001102191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 2122001102191 in words is "two trillion, one hundred twenty-two billion, one million, one hundred two thousand, one hundred ninety-one".