111112414243 has 2 divisors, whose sum is σ = 111112414244. Its totient is φ = 111112414242.

The previous prime is 111112414201. The next prime is 111112414271. The reversal of 111112414243 is 342414211111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111112414243 - 2¹³ = 111112406051 is a prime.

It is not a weakly prime, because it can be changed into another prime (111112414643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55556207121 + 55556207122.

It is an arithmetic number, because the mean of its divisors is an integer number (55556207122).

Almost surely, 2^111112414243 is an apocalyptic number.

111112414243 is a deficient number, since it is larger than the sum of its proper divisors (1).

111112414243 is an equidigital number, since it uses as much as digits as its factorization.

111112414243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 25.

Adding to 111112414243 its reverse (342414211111), we get a palindrome (453526625354).

The spelling of 111112414243 in words is "one hundred eleven billion, one hundred twelve million, four hundred fourteen thousand, two hundred forty-three".