111111103303 has 2 divisors, whose sum is σ = 111111103304. Its totient is φ = 111111103302.

The previous prime is 111111103261. The next prime is 111111103331. The reversal of 111111103303 is 303301111111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111111103303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111111101303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555551651 + 55555551652.

It is an arithmetic number, because the mean of its divisors is an integer number (55555551652).

Almost surely, 2^111111103303 is an apocalyptic number.

111111103303 is a deficient number, since it is larger than the sum of its proper divisors (1).

111111103303 is an equidigital number, since it uses as much as digits as its factorization.

111111103303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27, while the sum is 16.

Adding to 111111103303 its reverse (303301111111), we get a palindrome (414412214414).

The spelling of 111111103303 in words is "one hundred eleven billion, one hundred eleven million, one hundred three thousand, three hundred three".