220002001700191 has 2 divisors, whose sum is σ = 220002001700192. Its totient is φ = 220002001700190.

The previous prime is 220002001700177. The next prime is 220002001700207. The reversal of 220002001700191 is 191007100200022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220002001700191 - 2²¹ = 220001999603039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220002001700141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110001000850095 + 110001000850096.

It is an arithmetic number, because the mean of its divisors is an integer number (110001000850096).

Almost surely, 2^{220002001700191} is an apocalyptic number.

220002001700191 is a deficient number, since it is larger than the sum of its proper divisors (1).

220002001700191 is an equidigital number, since it uses as much as digits as its factorization.

220002001700191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

The spelling of 220002001700191 in words is "two hundred twenty trillion, two billion, one million, seven hundred thousand, one hundred ninety-one".