111227 has 2 divisors, whose sum is σ = 111228. Its totient is φ = 111226.

The previous prime is 111217. The next prime is 111229. The reversal of 111227 is 722111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111227 - 2⁴ = 111211 is a prime.

Together with 111229, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (111229) 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 as a sum of consecutive naturals, namely, 55613 + 55614.

It is an arithmetic number, because the mean of its divisors is an integer number (55614).

2¹¹¹²²⁷ is an apocalyptic number.

111227 is a deficient number, since it is larger than the sum of its proper divisors (1).

111227 is an equidigital number, since it uses as much as digits as its factorization.

111227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28, while the sum is 14.

The square root of 111227 is about 333.5071213632. The cubic root of 111227 is about 48.0916939394.

Adding to 111227 its reverse (722111), we get a palindrome (833338).

The spelling of 111227 in words is "one hundred eleven thousand, two hundred twenty-seven", and thus it is an iban number.