111268321 has 4 divisors (see below), whose sum is σ = 111366144. Its totient is φ = 111170500.

The previous prime is 111268309. The next prime is 111268357. The reversal of 111268321 is 123862111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 123862111 = 137 ⋅904103.

It is a cyclic number.

It is not a de Polignac number, because 111268321 - 2¹³ = 111260129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111260321) 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 3 ways as a sum of consecutive naturals, for example, 47185 + ... + 49486.

It is an arithmetic number, because the mean of its divisors is an integer number (27841536).

Almost surely, 2^111268321 is an apocalyptic number.

It is an amenable number.

111268321 is a deficient number, since it is larger than the sum of its proper divisors (97823).

111268321 is an equidigital number, since it uses as much as digits as its factorization.

111268321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97822.

The product of its digits is 576, while the sum is 25.

The square root of 111268321 is about 10548.3800178037. The cubic root of 111268321 is about 480.9764858124.

The spelling of 111268321 in words is "one hundred eleven million, two hundred sixty-eight thousand, three hundred twenty-one".