11103022321 has 8 divisors (see below), whose sum is σ = 11310812640. Its totient is φ = 10895885568.

The previous prime is 11103022291. The next prime is 11103022327. The reversal of 11103022321 is 12322030111.

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

It is a cyclic number.

It is not a de Polignac number, because 11103022321 - 2²³ = 11094633713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11103022295 and 11103022304.

It is not an unprimeable number, because it can be changed into a prime (11103022327) 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, 129031 + ... + 197116.

It is an arithmetic number, because the mean of its divisors is an integer number (1413851580).

Almost surely, 2^11103022321 is an apocalyptic number.

It is an amenable number.

11103022321 is a deficient number, since it is larger than the sum of its proper divisors (207790319).

11103022321 is an equidigital number, since it uses as much as digits as its factorization.

11103022321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326783.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11103022321 its reverse (12322030111), we get a palindrome (23425052432).

The spelling of 11103022321 in words is "eleven billion, one hundred three million, twenty-two thousand, three hundred twenty-one".