111244193 has 4 divisors (see below), whose sum is σ = 113957508. Its totient is φ = 108530880.

The previous prime is 111244181. The next prime is 111244241. The reversal of 111244193 is 391442111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 391442111 = 4483 ⋅87317.

It can be written as a sum of positive squares in 2 ways, for example, as 30118144 + 81126049 = 5488^2 + 9007^2 .

It is a cyclic number.

It is not a de Polignac number, because 111244193 - 2⁶ = 111244129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111244103) 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 3 ways as a sum of consecutive naturals, for example, 1356596 + ... + 1356677.

It is an arithmetic number, because the mean of its divisors is an integer number (28489377).

Almost surely, 2^111244193 is an apocalyptic number.

It is an amenable number.

111244193 is a deficient number, since it is larger than the sum of its proper divisors (2713315).

111244193 is an equidigital number, since it uses as much as digits as its factorization.

111244193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2713314.

The product of its digits is 864, while the sum is 26.

The square root of 111244193 is about 10547.2362730717. The cubic root of 111244193 is about 480.9417174870.

The spelling of 111244193 in words is "one hundred eleven million, two hundred forty-four thousand, one hundred ninety-three".