111232343218 has 32 divisors (see below), whose sum is σ = 174541489200. Its totient is φ = 53098020864.

The previous prime is 111232343213. The next prime is 111232343219. The reversal of 111232343218 is 812343232111.

It can be written as a sum of positive squares in 8 ways, for example, as 103019815089 + 8212528129 = 320967^2 + 90623^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111232343218.

It is not an unprimeable number, because it can be changed into a prime (111232343213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2014888 + ... + 2069356.

Almost surely, 2^111232343218 is an apocalyptic number.

111232343218 is a deficient number, since it is larger than the sum of its proper divisors (63309145982).

111232343218 is a wasteful number, since it uses less digits than its factorization.

111232343218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54894.

The product of its digits is 6912, while the sum is 31.

Adding to 111232343218 its reverse (812343232111), we get a palindrome (923575575329).

The spelling of 111232343218 in words is "one hundred eleven billion, two hundred thirty-two million, three hundred forty-three thousand, two hundred eighteen".