320100213021 has 8 divisors (see below), whose sum is σ = 426803247744. Its totient is φ = 213398660160.

The previous prime is 320100213007. The next prime is 320100213047. The reversal of 320100213021 is 120312001023.

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

It is a de Polignac number, because none of the positive numbers 2^k-320100213021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320100213061) 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 7 ways as a sum of consecutive naturals, for example, 314476 + ... + 859706.

It is an arithmetic number, because the mean of its divisors is an integer number (53350405968).

Almost surely, 2^320100213021 is an apocalyptic number.

It is an amenable number.

320100213021 is a deficient number, since it is larger than the sum of its proper divisors (106703034723).

320100213021 is a wasteful number, since it uses less digits than its factorization.

320100213021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740931.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 320100213021 its reverse (120312001023), we get a palindrome (440412214044).

The spelling of 320100213021 in words is "three hundred twenty billion, one hundred million, two hundred thirteen thousand, twenty-one".