320221100213 has 16 divisors (see below), whose sum is σ = 388138895616. Its totient is φ = 258237555840.

The previous prime is 320221100161. The next prime is 320221100237. The reversal of 320221100213 is 312001122023.

It is a cyclic number.

It is not a de Polignac number, because 320221100213 - 2¹⁴ = 320221083829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320221100191 and 320221100200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320221100293) by changing a digit.

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, 16293056 + ... + 16312697.

It is an arithmetic number, because the mean of its divisors is an integer number (24258680976).

Almost surely, 2^320221100213 is an apocalyptic number.

It is an amenable number.

320221100213 is a deficient number, since it is larger than the sum of its proper divisors (67917795403).

320221100213 is a wasteful number, since it uses less digits than its factorization.

320221100213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32605844.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 320221100213 its reverse (312001122023), we get a palindrome (632222222236).

The spelling of 320221100213 in words is "three hundred twenty billion, two hundred twenty-one million, one hundred thousand, two hundred thirteen".