11200232321 has 4 divisors (see below), whose sum is σ = 11357982144. Its totient is φ = 11042482500.

The previous prime is 11200232299. The next prime is 11200232353. The reversal of 11200232321 is 12323200211.

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: 12323200211 = 7 ⋅1760457173.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11200232321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11200232321.

It is not an unprimeable number, because it can be changed into a prime (11200252321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78874805 + ... + 78874946.

It is an arithmetic number, because the mean of its divisors is an integer number (2839495536).

Almost surely, 2^11200232321 is an apocalyptic number.

It is an amenable number.

11200232321 is a deficient number, since it is larger than the sum of its proper divisors (157749823).

11200232321 is an equidigital number, since it uses as much as digits as its factorization.

11200232321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157749822.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11200232321 its reverse (12323200211), we get a palindrome (23523432532).

The spelling of 11200232321 in words is "eleven billion, two hundred million, two hundred thirty-two thousand, three hundred twenty-one".