11133012321 has 24 divisors (see below), whose sum is σ = 16351680384. Its totient is φ = 7297503840.

The previous prime is 11133012313. The next prime is 11133012349. The reversal of 11133012321 is 12321033111.

11133012321 is a `hidden beast` number, since 1 + 1 + 1 + 330 + 12 + 321 = 666.

It is not a de Polignac number, because 11133012321 - 2³ = 11133012313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11133012294 and 11133012303.

It is not an unprimeable number, because it can be changed into a prime (11133012721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 309160 + ... + 343286.

It is an arithmetic number, because the mean of its divisors is an integer number (681320016).

Almost surely, 2^11133012321 is an apocalyptic number.

It is an amenable number.

11133012321 is a deficient number, since it is larger than the sum of its proper divisors (5218668063).

11133012321 is a wasteful number, since it uses less digits than its factorization.

11133012321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34741 (or 34738 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11133012321 its reverse (12321033111), we get a palindrome (23454045432).

The spelling of 11133012321 in words is "eleven billion, one hundred thirty-three million, twelve thousand, three hundred twenty-one".