221333320010 has 32 divisors (see below), whose sum is σ = 438921327744. Its totient is φ = 79687960000.

The previous prime is 221333319997. The next prime is 221333320049. The reversal of 221333320010 is 10023333122.

221333320010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9949886 + ... + 9972105.

It is an arithmetic number, because the mean of its divisors is an integer number (13716291492).

Almost surely, 2^221333320010 is an apocalyptic number.

221333320010 is a deficient number, since it is larger than the sum of its proper divisors (217588007734).

221333320010 is a wasteful number, since it uses less digits than its factorization.

221333320010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19922110.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 221333320010 its reverse (10023333122), we get a palindrome (231356653132).

The spelling of 221333320010 in words is "two hundred twenty-one billion, three hundred thirty-three million, three hundred twenty thousand, ten".