111244321 has 8 divisors (see below), whose sum is σ = 113508864. Its totient is φ = 108997680.

The previous prime is 111244313. The next prime is 111244327. The reversal of 111244321 is 123442111.

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 111244321 - 2³ = 111244313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111244327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8451 + ... + 17143.

It is an arithmetic number, because the mean of its divisors is an integer number (14188608).

Almost surely, 2^111244321 is an apocalyptic number.

It is an amenable number.

111244321 is a deficient number, since it is larger than the sum of its proper divisors (2264543).

111244321 is an equidigital number, since it uses as much as digits as its factorization.

111244321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8951.

The product of its digits is 192, while the sum is 19.

The square root of 111244321 is about 10547.2423410103. The cubic root of 111244321 is about 480.9419019476.

Adding to 111244321 its reverse (123442111), we get a palindrome (234686432).

The spelling of 111244321 in words is "one hundred eleven million, two hundred forty-four thousand, three hundred twenty-one".