221332223321 has 8 divisors (see below), whose sum is σ = 241554432000. Its totient is φ = 201126864240.

The previous prime is 221332223317. The next prime is 221332223339. The reversal of 221332223321 is 123322233122.

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 221332223321 - 2² = 221332223317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221332223221) 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, 4184921 + ... + 4237478.

It is an arithmetic number, because the mean of its divisors is an integer number (30194304000).

Almost surely, 2^221332223321 is an apocalyptic number.

It is an amenable number.

221332223321 is a deficient number, since it is larger than the sum of its proper divisors (20222208679).

221332223321 is a wasteful number, since it uses less digits than its factorization.

221332223321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8424799.

The product of its digits is 5184, while the sum is 26.

Adding to 221332223321 its reverse (123322233122), we get a palindrome (344654456443).

The spelling of 221332223321 in words is "two hundred twenty-one billion, three hundred thirty-two million, two hundred twenty-three thousand, three hundred twenty-one".