111323312132 has 6 divisors (see below), whose sum is σ = 194815796238. Its totient is φ = 55661656064.

The previous prime is 111323312099. The next prime is 111323312143. The reversal of 111323312132 is 231213323111.

It can be written as a sum of positive squares in only one way, i.e., 100117819396 + 11205492736 = 316414^2 + 105856^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111323312098 and 111323312107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13915414013 + ... + 13915414020.

It is an arithmetic number, because the mean of its divisors is an integer number (32469299373).

Almost surely, 2^111323312132 is an apocalyptic number.

It is an amenable number.

111323312132 is a deficient number, since it is larger than the sum of its proper divisors (83492484106).

111323312132 is a wasteful number, since it uses less digits than its factorization.

111323312132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27830828037 (or 27830828035 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

Adding to 111323312132 its reverse (231213323111), we get a palindrome (342536635243).

The spelling of 111323312132 in words is "one hundred eleven billion, three hundred twenty-three million, three hundred twelve thousand, one hundred thirty-two".