11313003221 has 16 divisors (see below), whose sum is σ = 12275450880. Its totient is φ = 10363991040.

The previous prime is 11313003217. The next prime is 11313003227. The reversal of 11313003221 is 12230031311.

It is not a de Polignac number, because 11313003221 - 2² = 11313003217 is a prime.

It is a super-3 number, since 3×11313003221³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11313003221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11313003227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1096316 + ... + 1106586.

It is an arithmetic number, because the mean of its divisors is an integer number (767215680).

Almost surely, 2^11313003221 is an apocalyptic number.

It is an amenable number.

11313003221 is a deficient number, since it is larger than the sum of its proper divisors (962447659).

11313003221 is a wasteful number, since it uses less digits than its factorization.

11313003221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10916.

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

Adding to 11313003221 its reverse (12230031311), we get a palindrome (23543034532).

The spelling of 11313003221 in words is "eleven billion, three hundred thirteen million, three thousand, two hundred twenty-one".