110110221197 has 2 divisors, whose sum is σ = 110110221198. Its totient is φ = 110110221196.

The previous prime is 110110221187. The next prime is 110110221227. The reversal of 110110221197 is 791122011011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70185785476 + 39924435721 = 264926^2 + 199811^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110110221197 is a prime.

It is a super-2 number, since 2×110110221197² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110110221157) 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, 55055110598 + 55055110599.

It is an arithmetic number, because the mean of its divisors is an integer number (55055110599).

Almost surely, 2^110110221197 is an apocalyptic number.

It is an amenable number.

110110221197 is a deficient number, since it is larger than the sum of its proper divisors (1).

110110221197 is an equidigital number, since it uses as much as digits as its factorization.

110110221197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 26.

The spelling of 110110221197 in words is "one hundred ten billion, one hundred ten million, two hundred twenty-one thousand, one hundred ninety-seven".