220220102191 has 2 divisors, whose sum is σ = 220220102192. Its totient is φ = 220220102190.

The previous prime is 220220102189. The next prime is 220220102213. The reversal of 220220102191 is 191201022022.

It is an a-pointer prime, because the next prime (220220102213) can be obtained adding 220220102191 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220220102191 - 2¹ = 220220102189 is a prime.

Together with 220220102189, 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 (220220102131) 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, 110110051095 + 110110051096.

It is an arithmetic number, because the mean of its divisors is an integer number (110110051096).

Almost surely, 2^220220102191 is an apocalyptic number.

220220102191 is a deficient number, since it is larger than the sum of its proper divisors (1).

220220102191 is an equidigital number, since it uses as much as digits as its factorization.

220220102191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 220220102191 in words is "two hundred twenty billion, two hundred twenty million, one hundred two thousand, one hundred ninety-one".