111330243 has 12 divisors (see below), whose sum is σ = 161969080. Its totient is φ = 73685376.

The previous prime is 111330187. The next prime is 111330251. The reversal of 111330243 is 342033111.

It is not a de Polignac number, because 111330243 - 2¹⁰ = 111329219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111330283) 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, 43246 + ... + 45747.

Almost surely, 2^111330243 is an apocalyptic number.

111330243 is a deficient number, since it is larger than the sum of its proper divisors (50638837).

111330243 is a wasteful number, since it uses less digits than its factorization.

111330243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89138 (or 89135 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 111330243 is about 10551.3147522003. The cubic root of 111330243 is about 481.0656921039.

Adding to 111330243 its reverse (342033111), we get a palindrome (453363354).

The spelling of 111330243 in words is "one hundred eleven million, three hundred thirty thousand, two hundred forty-three".