12111331303 has 2 divisors, whose sum is σ = 12111331304. Its totient is φ = 12111331302.

The previous prime is 12111331273. The next prime is 12111331321. The reversal of 12111331303 is 30313311121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12111331303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12111331343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055665651 + 6055665652.

It is an arithmetic number, because the mean of its divisors is an integer number (6055665652).

Almost surely, 2^12111331303 is an apocalyptic number.

12111331303 is a deficient number, since it is larger than the sum of its proper divisors (1).

12111331303 is an equidigital number, since it uses as much as digits as its factorization.

12111331303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 12111331303 its reverse (30313311121), we get a palindrome (42424642424).

The spelling of 12111331303 in words is "twelve billion, one hundred eleven million, three hundred thirty-one thousand, three hundred three".