221344020002 has 24 divisors (see below), whose sum is σ = 391111637760. Its totient is φ = 93660938280.

The previous prime is 221344019993. The next prime is 221344020043. The reversal of 221344020002 is 200020443122.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14287274 + ... + 14302757.

It is an arithmetic number, because the mean of its divisors is an integer number (16296318240).

Almost surely, 2^221344020002 is an apocalyptic number.

221344020002 is a deficient number, since it is larger than the sum of its proper divisors (169767617758).

221344020002 is a wasteful number, since it uses less digits than its factorization.

221344020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28590126 (or 28590119 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 221344020002 its reverse (200020443122), we get a palindrome (421364463124).

The spelling of 221344020002 in words is "two hundred twenty-one billion, three hundred forty-four million, twenty thousand, two".