221330313010 has 32 divisors (see below), whose sum is σ = 401831781552. Its totient is φ = 87770004480.

The previous prime is 221330312977. The next prime is 221330313053. The reversal of 221330313010 is 10313033122.

It can be written as a sum of positive squares in 8 ways, for example, as 45117583281 + 176212729729 = 212409^2 + 419777^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 936424 + ... + 1148716.

Almost surely, 2^221330313010 is an apocalyptic number.

221330313010 is a deficient number, since it is larger than the sum of its proper divisors (180501468542).

221330313010 is a wasteful number, since it uses less digits than its factorization.

221330313010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213198.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 221330313010 its reverse (10313033122), we get a palindrome (231643346132).

The spelling of 221330313010 in words is "two hundred twenty-one billion, three hundred thirty million, three hundred thirteen thousand, ten".