221300214321 has 8 divisors (see below), whose sum is σ = 304585241344. Its totient is φ = 142774331760.

The previous prime is 221300214307. The next prime is 221300214337. The reversal of 221300214321 is 123412003122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 221300214321 - 2¹⁰ = 221300213297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221300214341) 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, 1189786006 + ... + 1189786191.

It is an arithmetic number, because the mean of its divisors is an integer number (38073155168).

Almost surely, 2^221300214321 is an apocalyptic number.

It is an amenable number.

221300214321 is a deficient number, since it is larger than the sum of its proper divisors (83285027023).

221300214321 is a wasteful number, since it uses less digits than its factorization.

221300214321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379572231.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 221300214321 its reverse (123412003122), we get a palindrome (344712217443).

The spelling of 221300214321 in words is "two hundred twenty-one billion, three hundred million, two hundred fourteen thousand, three hundred twenty-one".