11322321 has 4 divisors (see below), whose sum is σ = 15096432. Its totient is φ = 7548212.

The previous prime is 11322319. The next prime is 11322329. The reversal of 11322321 is 12322311.

11322321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11322321 - 2¹ = 11322319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11322321.

It is not an unprimeable number, because it can be changed into a prime (11322329) 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, 1887051 + ... + 1887056.

It is an arithmetic number, because the mean of its divisors is an integer number (3774108).

Almost surely, 2^11322321 is an apocalyptic number.

It is an amenable number.

11322321 is a deficient number, since it is larger than the sum of its proper divisors (3774111).

11322321 is an equidigital number, since it uses as much as digits as its factorization.

11322321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3774110.

The product of its digits is 72, while the sum is 15.

The square root of 11322321 is about 3364.8656733962. The cubic root of 11322321 is about 224.5493597682.

Adding to 11322321 its reverse (12322311), we get a palindrome (23644632).

The spelling of 11322321 in words is "eleven million, three hundred twenty-two thousand, three hundred twenty-one".