111323032321 has 4 divisors (see below), whose sum is σ = 111339771732. Its totient is φ = 111306292912.

The previous prime is 111323032283. The next prime is 111323032333. The reversal of 111323032321 is 123230323111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39372480625 + 71950551696 = 198425^2 + 268236^2 .

It is a cyclic number.

It is not a de Polignac number, because 111323032321 - 2⁷ = 111323032193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111323032292 and 111323032301.

It is not an unprimeable number, because it can be changed into a prime (111323032721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8359726 + ... + 8373031.

It is an arithmetic number, because the mean of its divisors is an integer number (27834942933).

Almost surely, 2^111323032321 is an apocalyptic number.

It is an amenable number.

111323032321 is a deficient number, since it is larger than the sum of its proper divisors (16739411).

111323032321 is an equidigital number, since it uses as much as digits as its factorization.

111323032321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16739410.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 111323032321 its reverse (123230323111), we get a palindrome (234553355432).

The spelling of 111323032321 in words is "one hundred eleven billion, three hundred twenty-three million, thirty-two thousand, three hundred twenty-one".