12111333203 has 2 divisors, whose sum is σ = 12111333204. Its totient is φ = 12111333202.

The previous prime is 12111333187. The next prime is 12111333209. The reversal of 12111333203 is 30233311121.

12111333203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12111333203 - 2⁴ = 12111333187 is a prime.

It is not a weakly prime, because it can be changed into another prime (12111333209) 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, 6055666601 + 6055666602.

It is an arithmetic number, because the mean of its divisors is an integer number (6055666602).

Almost surely, 2^12111333203 is an apocalyptic number.

12111333203 is a deficient number, since it is larger than the sum of its proper divisors (1).

12111333203 is an equidigital number, since it uses as much as digits as its factorization.

12111333203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12111333203 its reverse (30233311121), we get a palindrome (42344644324).

The spelling of 12111333203 in words is "twelve billion, one hundred eleven million, three hundred thirty-three thousand, two hundred three".