221313241330 has 16 divisors (see below), whose sum is σ = 400749249600. Its totient is φ = 87995204272.

The previous prime is 221313241231. The next prime is 221313241339. The reversal of 221313241330 is 33142313122.

221313241330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 221313241295 and 221313241304.

It is not an unprimeable number, because it can be changed into a prime (221313241339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66259780 + ... + 66263119.

It is an arithmetic number, because the mean of its divisors is an integer number (25046828100).

Almost surely, 2^221313241330 is an apocalyptic number.

221313241330 is a deficient number, since it is larger than the sum of its proper divisors (179436008270).

221313241330 is a wasteful number, since it uses less digits than its factorization.

221313241330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132523073.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 221313241330 its reverse (33142313122), we get a palindrome (254455554452).

The spelling of 221313241330 in words is "two hundred twenty-one billion, three hundred thirteen million, two hundred forty-one thousand, three hundred thirty".