221333320030213 has 4 divisors (see below), whose sum is σ = 221333350148428. Its totient is φ = 221333289912000.

The previous prime is 221333320030211. The next prime is 221333320030231. The reversal of 221333320030213 is 312030023333122.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 154374089519169 + 66959230511044 = 12424737^2 + 8182862^2 .

It is a cyclic number.

It is not a de Polignac number, because 221333320030213 - 2¹ = 221333320030211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221333320030211) 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 3 ways as a sum of consecutive naturals, for example, 4029895 + ... + 21422107.

It is an arithmetic number, because the mean of its divisors is an integer number (55333337537107).

Almost surely, 2^{221333320030213} is an apocalyptic number.

It is an amenable number.

221333320030213 is a deficient number, since it is larger than the sum of its proper divisors (30118215).

221333320030213 is a wasteful number, since it uses less digits than its factorization.

221333320030213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30118214.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 221333320030213 its reverse (312030023333122), we get a palindrome (533363343363335).

The spelling of 221333320030213 in words is "two hundred twenty-one trillion, three hundred thirty-three billion, three hundred twenty million, thirty thousand, two hundred thirteen".