11321330203 has 2 divisors, whose sum is σ = 11321330204. Its totient is φ = 11321330202.

The previous prime is 11321330161. The next prime is 11321330243. The reversal of 11321330203 is 30203312311.

11321330203 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 a de Polignac number, because none of the positive numbers 2^k-11321330203 is a prime.

It is not a weakly prime, because it can be changed into another prime (11321330243) 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, 5660665101 + 5660665102.

It is an arithmetic number, because the mean of its divisors is an integer number (5660665102).

Almost surely, 2^11321330203 is an apocalyptic number.

11321330203 is a deficient number, since it is larger than the sum of its proper divisors (1).

11321330203 is an equidigital number, since it uses as much as digits as its factorization.

11321330203 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 19.

Adding to 11321330203 its reverse (30203312311), we get a palindrome (41524642514).

The spelling of 11321330203 in words is "eleven billion, three hundred twenty-one million, three hundred thirty thousand, two hundred three".