11103303221 has 8 divisors (see below), whose sum is σ = 11146716000. Its totient is φ = 11059920432.

The previous prime is 11103303209. The next prime is 11103303247. The reversal of 11103303221 is 12230330111.

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 11103303221 - 2⁶ = 11103303157 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 11103303221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11103303271) 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, 984611 + ... + 995823.

It is an arithmetic number, because the mean of its divisors is an integer number (1393339500).

Almost surely, 2^11103303221 is an apocalyptic number.

It is an amenable number.

11103303221 is a deficient number, since it is larger than the sum of its proper divisors (43412779).

11103303221 is a wasteful number, since it uses less digits than its factorization.

11103303221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14995.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11103303221 its reverse (12230330111), we get a palindrome (23333633332).

The spelling of 11103303221 in words is "eleven billion, one hundred three million, three hundred three thousand, two hundred twenty-one".