221321414330 has 32 divisors (see below), whose sum is σ = 400322539008. Its totient is φ = 88096881600.

The previous prime is 221321414311. The next prime is 221321414333. The reversal of 221321414330 is 33414123122.

It is a self number, because there is not a number n which added to its sum of digits gives 221321414330.

It is not an unprimeable number, because it can be changed into a prime (221321414333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6071960 + ... + 6108300.

It is an arithmetic number, because the mean of its divisors is an integer number (12510079344).

Almost surely, 2^221321414330 is an apocalyptic number.

221321414330 is a deficient number, since it is larger than the sum of its proper divisors (179001124678).

221321414330 is a wasteful number, since it uses less digits than its factorization.

221321414330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39302.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 221321414330 its reverse (33414123122), we get a palindrome (254735537452).

The spelling of 221321414330 in words is "two hundred twenty-one billion, three hundred twenty-one million, four hundred fourteen thousand, three hundred thirty".