320021011303211 has 8 divisors (see below), whose sum is σ = 324406310354160. Its totient is φ = 315635751430272.

The previous prime is 320021011303127. The next prime is 320021011303223. The reversal of 320021011303211 is 112303110120023.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320021011303211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320021011303271) 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, 6846596 + ... + 26209118.

It is an arithmetic number, because the mean of its divisors is an integer number (40550788794270).

Almost surely, 2^{320021011303211} is an apocalyptic number.

320021011303211 is a deficient number, since it is larger than the sum of its proper divisors (4385299050949).

320021011303211 is a wasteful number, since it uses less digits than its factorization.

320021011303211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19589005.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 320021011303211 its reverse (112303110120023), we get a palindrome (432324121423234).

The spelling of 320021011303211 in words is "three hundred twenty trillion, twenty-one billion, eleven million, three hundred three thousand, two hundred eleven".