111332243 has 12 divisors (see below), whose sum is σ = 122618088. Its totient is φ = 100247040.

The previous prime is 111332239. The next prime is 111332257. The reversal of 111332243 is 342233111.

It is not a de Polignac number, because 111332243 - 2² = 111332239 is a prime.

It is a super-2 number, since 2×111332243² = 24789736662822098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111332743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 486053 + ... + 486281.

It is an arithmetic number, because the mean of its divisors is an integer number (10218174).

Almost surely, 2^111332243 is an apocalyptic number.

111332243 is a deficient number, since it is larger than the sum of its proper divisors (11285845).

111332243 is an equidigital number, since it uses as much as digits as its factorization.

111332243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662 (or 433 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 111332243 is about 10551.4095266936. The cubic root of 111332243 is about 481.0685727995.

Adding to 111332243 its reverse (342233111), we get a palindrome (453565354).

The spelling of 111332243 in words is "one hundred eleven million, three hundred thirty-two thousand, two hundred forty-three".