111302012243 has 2 divisors, whose sum is σ = 111302012244. Its totient is φ = 111302012242.

The previous prime is 111302012207. The next prime is 111302012317. The reversal of 111302012243 is 342210203111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111302012243 - 2⁸ = 111302011987 is a prime.

It is not a weakly prime, because it can be changed into another prime (111302012203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55651006121 + 55651006122.

It is an arithmetic number, because the mean of its divisors is an integer number (55651006122).

Almost surely, 2^111302012243 is an apocalyptic number.

111302012243 is a deficient number, since it is larger than the sum of its proper divisors (1).

111302012243 is an equidigital number, since it uses as much as digits as its factorization.

111302012243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 111302012243 its reverse (342210203111), we get a palindrome (453512215354).

The spelling of 111302012243 in words is "one hundred eleven billion, three hundred two million, twelve thousand, two hundred forty-three".