220261074191 has 2 divisors, whose sum is σ = 220261074192. Its totient is φ = 220261074190.

The previous prime is 220261074169. The next prime is 220261074227. The reversal of 220261074191 is 191470162022.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220261074191 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220261074101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110130537095 + 110130537096.

It is an arithmetic number, because the mean of its divisors is an integer number (110130537096).

Almost surely, 2^220261074191 is an apocalyptic number.

220261074191 is a deficient number, since it is larger than the sum of its proper divisors (1).

220261074191 is an equidigital number, since it uses as much as digits as its factorization.

220261074191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 220261074191 in words is "two hundred twenty billion, two hundred sixty-one million, seventy-four thousand, one hundred ninety-one".