111112243 has 6 divisors (see below), whose sum is σ = 122131772. Its totient is φ = 101011020.

The previous prime is 111112237. The next prime is 111112273. The reversal of 111112243 is 342211111.

It is not a de Polignac number, because 111112243 - 2²¹ = 109015091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111112273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 459021 + ... + 459262.

Almost surely, 2^111112243 is an apocalyptic number.

111112243 is a deficient number, since it is larger than the sum of its proper divisors (11019529).

111112243 is an equidigital number, since it uses as much as digits as its factorization.

111112243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918305 (or 918294 counting only the distinct ones).

The product of its digits is 48, while the sum is 16.

The square root of 111112243 is about 10540.9792239621. The cubic root of 111112243 is about 480.7514892299.

Adding to 111112243 its reverse (342211111), we get a palindrome (453323354).

The spelling of 111112243 in words is "one hundred eleven million, one hundred twelve thousand, two hundred forty-three".