221320013302 has 16 divisors (see below), whose sum is σ = 346864462560. Its totient is φ = 105711040512.

The previous prime is 221320013267. The next prime is 221320013303. The reversal of 221320013302 is 203310023122.

It is a self number, because there is not a number n which added to its sum of digits gives 221320013302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221320013303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3092913 + ... + 3163660.

It is an arithmetic number, because the mean of its divisors is an integer number (21679028910).

Almost surely, 2^221320013302 is an apocalyptic number.

221320013302 is a deficient number, since it is larger than the sum of its proper divisors (125544449258).

221320013302 is a wasteful number, since it uses less digits than its factorization.

221320013302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6257367.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 221320013302 its reverse (203310023122), we get a palindrome (424630036424).

The spelling of 221320013302 in words is "two hundred twenty-one billion, three hundred twenty million, thirteen thousand, three hundred two".