11332221321 has 32 divisors (see below), whose sum is σ = 15598033920. Its totient is φ = 7315515200.

The previous prime is 11332221317. The next prime is 11332221323. The reversal of 11332221321 is 12312223311.

It is not a de Polignac number, because 11332221321 - 2² = 11332221317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11332221323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3162751 + ... + 3166331.

It is an arithmetic number, because the mean of its divisors is an integer number (487438560).

Almost surely, 2^11332221321 is an apocalyptic number.

It is an amenable number.

11332221321 is a deficient number, since it is larger than the sum of its proper divisors (4265812599).

11332221321 is a wasteful number, since it uses less digits than its factorization.

11332221321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3917.

The product of its digits is 432, while the sum is 21.

Adding to 11332221321 its reverse (12312223311), we get a palindrome (23644444632).

The spelling of 11332221321 in words is "eleven billion, three hundred thirty-two million, two hundred twenty-one thousand, three hundred twenty-one".