111321227 has 8 divisors (see below), whose sum is σ = 115312800. Its totient is φ = 107339904.

The previous prime is 111321179. The next prime is 111321229. The reversal of 111321227 is 722123111.

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

It is not a de Polignac number, because 111321227 - 2¹⁰ = 111320203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111321199 and 111321208.

It is not an unprimeable number, because it can be changed into a prime (111321229) 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, 24563 + ... + 28739.

It is an arithmetic number, because the mean of its divisors is an integer number (14414100).

Almost surely, 2^111321227 is an apocalyptic number.

111321227 is a deficient number, since it is larger than the sum of its proper divisors (3991573).

111321227 is an equidigital number, since it uses as much as digits as its factorization.

111321227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5125.

The product of its digits is 168, while the sum is 20.

The square root of 111321227 is about 10550.8874982155. The cubic root of 111321227 is about 481.0527054998.

Adding to 111321227 its reverse (722123111), we get a palindrome (833444338).

The spelling of 111321227 in words is "one hundred eleven million, three hundred twenty-one thousand, two hundred twenty-seven".