11023313321 has 4 divisors (see below), whose sum is σ = 11210149200. Its totient is φ = 10836477444.

The previous prime is 11023313299. The next prime is 11023313347. The reversal of 11023313321 is 12331332011.

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: 12331332011 = 7673 ⋅1607107.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11023313321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11023313293 and 11023313302.

It is not an unprimeable number, because it can be changed into a prime (11023313921) 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, 93417851 + ... + 93417968.

It is an arithmetic number, because the mean of its divisors is an integer number (2802537300).

Almost surely, 2^11023313321 is an apocalyptic number.

It is an amenable number.

11023313321 is a deficient number, since it is larger than the sum of its proper divisors (186835879).

11023313321 is an equidigital number, since it uses as much as digits as its factorization.

11023313321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186835878.

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

Adding to 11023313321 its reverse (12331332011), we get a palindrome (23354645332).

The spelling of 11023313321 in words is "eleven billion, twenty-three million, three hundred thirteen thousand, three hundred twenty-one".