11133120233 has 4 divisors (see below), whose sum is σ = 11185884048. Its totient is φ = 11080356420.

The previous prime is 11133120221. The next prime is 11133120247. The reversal of 11133120233 is 33202133111.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33202133111 = 7 ⋅4743161873.

It is a cyclic number.

It is not a de Polignac number, because 11133120233 - 2³⁰ = 10059378409 is a prime.

It is a super-2 number, since 2×11133120233² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11133120203) 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, 26381591 + ... + 26382012.

It is an arithmetic number, because the mean of its divisors is an integer number (2796471012).

Almost surely, 2^11133120233 is an apocalyptic number.

It is an amenable number.

11133120233 is a deficient number, since it is larger than the sum of its proper divisors (52763815).

11133120233 is an equidigital number, since it uses as much as digits as its factorization.

11133120233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52763814.

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

Adding to 11133120233 its reverse (33202133111), we get a palindrome (44335253344).

The spelling of 11133120233 in words is "eleven billion, one hundred thirty-three million, one hundred twenty thousand, two hundred thirty-three".