111213100303 has 2 divisors, whose sum is σ = 111213100304. Its totient is φ = 111213100302.

The previous prime is 111213100291. The next prime is 111213100307. The reversal of 111213100303 is 303001312111.

It is a strong prime.

It is an emirp because it is prime and its reverse (303001312111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111213100303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111213100307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55606550151 + 55606550152.

It is an arithmetic number, because the mean of its divisors is an integer number (55606550152).

Almost surely, 2^111213100303 is an apocalyptic number.

111213100303 is a deficient number, since it is larger than the sum of its proper divisors (1).

111213100303 is an equidigital number, since it uses as much as digits as its factorization.

111213100303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 111213100303 its reverse (303001312111), we get a palindrome (414214412414).

The spelling of 111213100303 in words is "one hundred eleven billion, two hundred thirteen million, one hundred thousand, three hundred three".