11003103221 has 8 divisors (see below), whose sum is σ = 12004848000. Its totient is φ = 10001602240.

The previous prime is 11003103217. The next prime is 11003103257. The reversal of 11003103221 is 12230130011.

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 11003103221 - 2² = 11003103217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11003103196 and 11003103205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11003103421) 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, 40820 + ... + 153858.

It is an arithmetic number, because the mean of its divisors is an integer number (1500606000).

Almost surely, 2^11003103221 is an apocalyptic number.

11003103221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11003103221 is a deficient number, since it is larger than the sum of its proper divisors (1001744779).

11003103221 is a wasteful number, since it uses less digits than its factorization.

11003103221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121899.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11003103221 its reverse (12230130011), we get a palindrome (23233233232).

The spelling of 11003103221 in words is "eleven billion, three million, one hundred three thousand, two hundred twenty-one".