110957221 has 12 divisors (see below), whose sum is σ = 116517100. Its totient is φ = 105652800.

The previous prime is 110957179. The next prime is 110957227. The reversal of 110957221 is 122759011.

It can be written as a sum of positive squares in 2 ways, for example, as 87628321 + 23328900 = 9361^2 + 4830^2 .

It is not a de Polignac number, because 110957221 - 2⁹ = 110956709 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 110957221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110957227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184321 + ... + 184921.

Almost surely, 2^110957221 is an apocalyptic number.

It is an amenable number.

110957221 is a deficient number, since it is larger than the sum of its proper divisors (5559879).

110957221 is an equidigital number, since it uses as much as digits as its factorization.

110957221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996 (or 973 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 110957221 is about 10533.6233557119. The cubic root of 110957221 is about 480.5278062768.

The spelling of 110957221 in words is "one hundred ten million, nine hundred fifty-seven thousand, two hundred twenty-one".