111003103243 has 2 divisors, whose sum is σ = 111003103244. Its totient is φ = 111003103242.

The previous prime is 111003103181. The next prime is 111003103249. The reversal of 111003103243 is 342301300111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111003103243 - 2⁹ = 111003102731 is a prime.

It is a super-2 number, since 2×111003103243² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111003103243.

It is not a weakly prime, because it can be changed into another prime (111003103249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55501551621 + 55501551622.

It is an arithmetic number, because the mean of its divisors is an integer number (55501551622).

Almost surely, 2^111003103243 is an apocalyptic number.

111003103243 is a deficient number, since it is larger than the sum of its proper divisors (1).

111003103243 is an equidigital number, since it uses as much as digits as its factorization.

111003103243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 111003103243 its reverse (342301300111), we get a palindrome (453304403354).

The spelling of 111003103243 in words is "one hundred eleven billion, three million, one hundred three thousand, two hundred forty-three".