111303321 has 16 divisors (see below), whose sum is σ = 150272064. Its totient is φ = 73274624.

The previous prime is 111303271. The next prime is 111303331. The reversal of 111303321 is 123303111.

It is a cyclic number.

It is not a de Polignac number, because 111303321 - 2⁷ = 111303193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111303321.

It is not an unprimeable number, because it can be changed into a prime (111303331) 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 15 ways as a sum of consecutive naturals, for example, 92701 + ... + 93893.

It is an arithmetic number, because the mean of its divisors is an integer number (9392004).

Almost surely, 2^111303321 is an apocalyptic number.

It is an amenable number.

111303321 is a deficient number, since it is larger than the sum of its proper divisors (38968743).

111303321 is a wasteful number, since it uses less digits than its factorization.

111303321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 111303321 is about 10550.0389098809. The cubic root of 111303321 is about 481.0269117021.

Adding to 111303321 its reverse (123303111), we get a palindrome (234606432).

The spelling of 111303321 in words is "one hundred eleven million, three hundred three thousand, three hundred twenty-one".