221234102321 has 8 divisors (see below), whose sum is σ = 228868273920. Its totient is φ = 213600291408.

The previous prime is 221234102311. The next prime is 221234102351. The reversal of 221234102321 is 123201432122.

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 221234102321 - 2³⁴ = 204054233137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221234102311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1910150 + ... + 2022656.

It is an arithmetic number, because the mean of its divisors is an integer number (28608534240).

Almost surely, 2^221234102321 is an apocalyptic number.

It is an amenable number.

221234102321 is a deficient number, since it is larger than the sum of its proper divisors (7634171599).

221234102321 is a wasteful number, since it uses less digits than its factorization.

221234102321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180343.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 221234102321 its reverse (123201432122), we get a palindrome (344435534443).

The spelling of 221234102321 in words is "two hundred twenty-one billion, two hundred thirty-four million, one hundred two thousand, three hundred twenty-one".