11133321 has 4 divisors (see below), whose sum is σ = 14844432. Its totient is φ = 7422212.

The previous prime is 11133319. The next prime is 11133347. The reversal of 11133321 is 12333111.

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 11133321 - 2¹ = 11133319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11133321.

It is not an unprimeable number, because it can be changed into a prime (11135321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1855551 + ... + 1855556.

It is an arithmetic number, because the mean of its divisors is an integer number (3711108).

Almost surely, 2^11133321 is an apocalyptic number.

It is an amenable number.

11133321 is a deficient number, since it is larger than the sum of its proper divisors (3711111).

11133321 is an equidigital number, since it uses as much as digits as its factorization.

11133321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3711110.

The product of its digits is 54, while the sum is 15.

The square root of 11133321 is about 3336.6631535113. The cubic root of 11133321 is about 223.2928980531.

Adding to 11133321 its reverse (12333111), we get a palindrome (23466432).

The spelling of 11133321 in words is "eleven million, one hundred thirty-three thousand, three hundred twenty-one".