221102230321 has 8 divisors (see below), whose sum is σ = 252858665024. Its totient is φ = 189388396080.

The previous prime is 221102230313. The next prime is 221102230337. The reversal of 221102230321 is 123032201122.

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 221102230321 - 2³ = 221102230313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221102230301) 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, 10638990 + ... + 10659751.

It is an arithmetic number, because the mean of its divisors is an integer number (31607333128).

Almost surely, 2^221102230321 is an apocalyptic number.

It is an amenable number.

221102230321 is a deficient number, since it is larger than the sum of its proper divisors (31756434703).

221102230321 is a wasteful number, since it uses less digits than its factorization.

221102230321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21300231.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 221102230321 its reverse (123032201122), we get a palindrome (344134431443).

The spelling of 221102230321 in words is "two hundred twenty-one billion, one hundred two million, two hundred thirty thousand, three hundred twenty-one".