111113321 has 8 divisors (see below), whose sum is σ = 124171488. Its totient is φ = 98548000.

The previous prime is 111113243. The next prime is 111113329. The reversal of 111113321 is 123311111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111113321 - 2¹⁰ = 111112297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111113296 and 111113305.

It is not an unprimeable number, because it can be changed into a prime (111113329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122735 + ... + 123636.

It is an arithmetic number, because the mean of its divisors is an integer number (15521436).

Almost surely, 2^111113321 is an apocalyptic number.

111113321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111113321 is a deficient number, since it is larger than the sum of its proper divisors (13058167).

111113321 is a wasteful number, since it uses less digits than its factorization.

111113321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246423.

The product of its digits is 18, while the sum is 14.

The square root of 111113321 is about 10541.0303576074. The cubic root of 111113321 is about 480.7530439593.

Adding to 111113321 its reverse (123311111), we get a palindrome (234424432).

The spelling of 111113321 in words is "one hundred eleven million, one hundred thirteen thousand, three hundred twenty-one".