11321110133 has 4 divisors (see below), whose sum is σ = 11584391808. Its totient is φ = 11057828460.

The previous prime is 11321110123. The next prime is 11321110147. The reversal of 11321110133 is 33101112311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11321110133 - 2¹⁰ = 11321109109 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 (11321110123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131640773 + ... + 131640858.

It is an arithmetic number, because the mean of its divisors is an integer number (2896097952).

Almost surely, 2^11321110133 is an apocalyptic number.

It is an amenable number.

11321110133 is a deficient number, since it is larger than the sum of its proper divisors (263281675).

11321110133 is an equidigital number, since it uses as much as digits as its factorization.

11321110133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263281674.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11321110133 its reverse (33101112311), we get a palindrome (44422222444).

The spelling of 11321110133 in words is "eleven billion, three hundred twenty-one million, one hundred ten thousand, one hundred thirty-three".