111227663 has 2 divisors, whose sum is σ = 111227664. Its totient is φ = 111227662.

The previous prime is 111227639. The next prime is 111227681. The reversal of 111227663 is 366722111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111227663 - 2⁸ = 111227407 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111227603) 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 as a sum of consecutive naturals, namely, 55613831 + 55613832.

It is an arithmetic number, because the mean of its divisors is an integer number (55613832).

Almost surely, 2^111227663 is an apocalyptic number.

111227663 is a deficient number, since it is larger than the sum of its proper divisors (1).

111227663 is an equidigital number, since it uses as much as digits as its factorization.

111227663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 29.

The square root of 111227663 is about 10546.4526263574. The cubic root of 111227663 is about 480.9178949390.

Adding to 111227663 its reverse (366722111), we get a palindrome (477949774).

The spelling of 111227663 in words is "one hundred eleven million, two hundred twenty-seven thousand, six hundred sixty-three".