220110110220197 has 2 divisors, whose sum is σ = 220110110220198. Its totient is φ = 220110110220196.

The previous prime is 220110110220181. The next prime is 220110110220229. The reversal of 220110110220197 is 791022011011022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205573627189921 + 14536483030276 = 14337839^2 + 3812674^2 .

It is a cyclic number.

It is not a de Polignac number, because 220110110220197 - 2⁴ = 220110110220181 is a prime.

It is a super-2 number, since 2×220110110220197² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220110110220127) 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, 110055055110098 + 110055055110099.

It is an arithmetic number, because the mean of its divisors is an integer number (110055055110099).

Almost surely, 2^{220110110220197} is an apocalyptic number.

It is an amenable number.

220110110220197 is a deficient number, since it is larger than the sum of its proper divisors (1).

220110110220197 is an equidigital number, since it uses as much as digits as its factorization.

220110110220197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 29.

The spelling of 220110110220197 in words is "two hundred twenty trillion, one hundred ten billion, one hundred ten million, two hundred twenty thousand, one hundred ninety-seven".