11303221321 has 16 divisors (see below), whose sum is σ = 13048156800. Its totient is φ = 9591234048.

The previous prime is 11303221313. The next prime is 11303221327. The reversal of 11303221321 is 12312230311.

It is a cyclic number.

It is not a de Polignac number, because 11303221321 - 2³ = 11303221313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11303221327) 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, 327015 + ... + 359923.

It is an arithmetic number, because the mean of its divisors is an integer number (815509800).

Almost surely, 2^11303221321 is an apocalyptic number.

It is an amenable number.

11303221321 is a deficient number, since it is larger than the sum of its proper divisors (1744935479).

11303221321 is a wasteful number, since it uses less digits than its factorization.

11303221321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33408.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11303221321 its reverse (12312230311), we get a palindrome (23615451632).

The spelling of 11303221321 in words is "eleven billion, three hundred three million, two hundred twenty-one thousand, three hundred twenty-one".