111049231 has 2 divisors, whose sum is σ = 111049232. Its totient is φ = 111049230.

The previous prime is 111049229. The next prime is 111049249. The reversal of 111049231 is 132940111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111049231 - 2¹ = 111049229 is a prime.

It is a super-2 number, since 2×111049231² = 24663863411382722, which contains 22 as substring.

Together with 111049229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111049271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55524615 + 55524616.

It is an arithmetic number, because the mean of its divisors is an integer number (55524616).

Almost surely, 2^111049231 is an apocalyptic number.

111049231 is a deficient number, since it is larger than the sum of its proper divisors (1).

111049231 is an equidigital number, since it uses as much as digits as its factorization.

111049231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 111049231 is about 10537.9898937131. The cubic root of 111049231 is about 480.6605936326.

Adding to 111049231 its reverse (132940111), we get a palindrome (243989342).

The spelling of 111049231 in words is "one hundred eleven million, forty-nine thousand, two hundred thirty-one".