11321111133 has 12 divisors (see below), whose sum is σ = 16376390368. Its totient is φ = 7536480840.

The previous prime is 11321111071. The next prime is 11321111141. The reversal of 11321111133 is 33111112311.

11321111133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11321111133 - 2²⁰ = 11320062557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321111173) 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 in 11 ways as a sum of consecutive naturals, for example, 903985 + ... + 916422.

Almost surely, 2^11321111133 is an apocalyptic number.

It is an amenable number.

11321111133 is a deficient number, since it is larger than the sum of its proper divisors (5055279235).

11321111133 is a wasteful number, since it uses less digits than its factorization.

11321111133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821104 (or 1821101 counting only the distinct ones).

The product of its digits is 54, while the sum is 18.

Adding to 11321111133 its reverse (33111112311), we get a palindrome (44432223444).

The spelling of 11321111133 in words is "eleven billion, three hundred twenty-one million, one hundred eleven thousand, one hundred thirty-three".