11203322321 has 16 divisors (see below), whose sum is σ = 11564925120. Its totient is φ = 10848245760.

The previous prime is 11203322309. The next prime is 11203322327. The reversal of 11203322321 is 12322330211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11203322321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11203322293 and 11203322302.

It is not an unprimeable number, because it can be changed into a prime (11203322327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1725401 + ... + 1731881.

It is an arithmetic number, because the mean of its divisors is an integer number (722807820).

Almost surely, 2^11203322321 is an apocalyptic number.

It is an amenable number.

11203322321 is a deficient number, since it is larger than the sum of its proper divisors (361602799).

11203322321 is an equidigital number, since it uses as much as digits as its factorization.

11203322321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6976.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11203322321 its reverse (12322330211), we get a palindrome (23525652532).

The spelling of 11203322321 in words is "eleven billion, two hundred three million, three hundred twenty-two thousand, three hundred twenty-one".