111133321 has 8 divisors (see below), whose sum is σ = 121028040. Its totient is φ = 101430912.

The previous prime is 111133273. The next prime is 111133339. The reversal of 111133321 is 123331111.

It can be written as a sum of positive squares in 4 ways, for example, as 126025 + 111007296 = 355^2 + 10536^2 .

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 111133321 - 2⁷ = 111133193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111133295 and 111133304.

It is not an unprimeable number, because it can be changed into a prime (111133381) 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, 46870 + ... + 49183.

It is an arithmetic number, because the mean of its divisors is an integer number (15128505).

Almost surely, 2^111133321 is an apocalyptic number.

It is an amenable number.

111133321 is a deficient number, since it is larger than the sum of its proper divisors (9894719).

111133321 is an equidigital number, since it uses as much as digits as its factorization.

111133321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96155.

The product of its digits is 54, while the sum is 16.

The square root of 111133321 is about 10541.9789887857. The cubic root of 111133321 is about 480.7818868378.

Adding to 111133321 its reverse (123331111), we get a palindrome (234464432).

The spelling of 111133321 in words is "one hundred eleven million, one hundred thirty-three thousand, three hundred twenty-one".