2100201102191 has 2 divisors, whose sum is σ = 2100201102192. Its totient is φ = 2100201102190.

The previous prime is 2100201102173. The next prime is 2100201102203. The reversal of 2100201102191 is 1912011020012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2100201102191 - 2¹⁸ = 2100200840047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100201132191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050100551095 + 1050100551096.

It is an arithmetic number, because the mean of its divisors is an integer number (1050100551096).

Almost surely, 2^{2100201102191} is an apocalyptic number.

2100201102191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100201102191 is an equidigital number, since it uses as much as digits as its factorization.

2100201102191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 2100201102191 in words is "two trillion, one hundred billion, two hundred one million, one hundred two thousand, one hundred ninety-one".