221320330010 has 64 divisors (see below), whose sum is σ = 432441072000. Its totient is φ = 81067744512.

The previous prime is 221320330003. The next prime is 221320330019. The reversal of 221320330010 is 10033023122.

It is not an unprimeable number, because it can be changed into a prime (221320330019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27986477 + ... + 27994383.

It is an arithmetic number, because the mean of its divisors is an integer number (6756891750).

Almost surely, 2^221320330010 is an apocalyptic number.

221320330010 is a deficient number, since it is larger than the sum of its proper divisors (211120741990).

221320330010 is a wasteful number, since it uses less digits than its factorization.

221320330010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9615.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 221320330010 its reverse (10033023122), we get a palindrome (231353353132).

The spelling of 221320330010 in words is "two hundred twenty-one billion, three hundred twenty million, three hundred thirty thousand, ten".