111113311303 has 2 divisors, whose sum is σ = 111113311304. Its totient is φ = 111113311302.

The previous prime is 111113311291. The next prime is 111113311307. The reversal of 111113311303 is 303113311111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111113311303 - 2⁵ = 111113311271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111113311307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55556655651 + 55556655652.

It is an arithmetic number, because the mean of its divisors is an integer number (55556655652).

Almost surely, 2^111113311303 is an apocalyptic number.

111113311303 is a deficient number, since it is larger than the sum of its proper divisors (1).

111113311303 is an equidigital number, since it uses as much as digits as its factorization.

111113311303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 19.

Adding to 111113311303 its reverse (303113311111), we get a palindrome (414226622414).

The spelling of 111113311303 in words is "one hundred eleven billion, one hundred thirteen million, three hundred eleven thousand, three hundred three".