110221101173 has 2 divisors, whose sum is σ = 110221101174. Its totient is φ = 110221101172.

The previous prime is 110221101169. The next prime is 110221101223. The reversal of 110221101173 is 371101122011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109784207569 + 436893604 = 331337^2 + 20902^2 .

It is a cyclic number.

It is not a de Polignac number, because 110221101173 - 2² = 110221101169 is a prime.

It is a super-2 number, since 2×110221101173² (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 (110221101113) 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, 55110550586 + 55110550587.

It is an arithmetic number, because the mean of its divisors is an integer number (55110550587).

Almost surely, 2^110221101173 is an apocalyptic number.

It is an amenable number.

110221101173 is a deficient number, since it is larger than the sum of its proper divisors (1).

110221101173 is an equidigital number, since it uses as much as digits as its factorization.

110221101173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 20.

Adding to 110221101173 its reverse (371101122011), we get a palindrome (481322223184).

The spelling of 110221101173 in words is "one hundred ten billion, two hundred twenty-one million, one hundred one thousand, one hundred seventy-three".