11121032321 has 8 divisors (see below), whose sum is σ = 12712008000. Its totient is φ = 9530620848.

The previous prime is 11121032311. The next prime is 11121032339. The reversal of 11121032321 is 12323012111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-11121032321 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 11121032321.

It is not an unprimeable number, because it can be changed into a prime (11121032311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97931 + ... + 178416.

It is an arithmetic number, because the mean of its divisors is an integer number (1589001000).

Almost surely, 2^11121032321 is an apocalyptic number.

It is an amenable number.

11121032321 is a deficient number, since it is larger than the sum of its proper divisors (1590975679).

11121032321 is an equidigital number, since it uses as much as digits as its factorization.

11121032321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282103.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11121032321 its reverse (12323012111), we get a palindrome (23444044432).

The spelling of 11121032321 in words is "eleven billion, one hundred twenty-one million, thirty-two thousand, three hundred twenty-one".