111124204231 has 2 divisors, whose sum is σ = 111124204232. Its totient is φ = 111124204230.

The previous prime is 111124204223. The next prime is 111124204267. The reversal of 111124204231 is 132402421111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111124204231 - 2³ = 111124204223 is a prime.

It is a super-2 number, since 2×111124204231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111124204201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55562102115 + 55562102116.

It is an arithmetic number, because the mean of its divisors is an integer number (55562102116).

Almost surely, 2^111124204231 is an apocalyptic number.

111124204231 is a deficient number, since it is larger than the sum of its proper divisors (1).

111124204231 is an equidigital number, since it uses as much as digits as its factorization.

111124204231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 111124204231 its reverse (132402421111), we get a palindrome (243526625342).

The spelling of 111124204231 in words is "one hundred eleven billion, one hundred twenty-four million, two hundred four thousand, two hundred thirty-one".