111630227 has 2 divisors, whose sum is σ = 111630228. Its totient is φ = 111630226.

The previous prime is 111630191. The next prime is 111630257. The reversal of 111630227 is 722036111.

It is a strong prime.

It is an emirp because it is prime and its reverse (722036111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111630227 - 2¹⁸ = 111368083 is a prime.

It is a super-2 number, since 2×111630227² = 24922615160143058, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (111630257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55815113 + 55815114.

It is an arithmetic number, because the mean of its divisors is an integer number (55815114).

Almost surely, 2^111630227 is an apocalyptic number.

111630227 is a deficient number, since it is larger than the sum of its proper divisors (1).

111630227 is an equidigital number, since it uses as much as digits as its factorization.

111630227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 111630227 is about 10565.5206686656. The cubic root of 111630227 is about 481.4973884759.

Adding to 111630227 its reverse (722036111), we get a palindrome (833666338).

The spelling of 111630227 in words is "one hundred eleven million, six hundred thirty thousand, two hundred twenty-seven".