321330130021 has 8 divisors (see below), whose sum is σ = 321794524800. Its totient is φ = 320866038432.

The previous prime is 321330129979. The next prime is 321330130039. The reversal of 321330130021 is 120031033123.

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

It is a cyclic number.

It is not a de Polignac number, because 321330130021 - 2¹¹ = 321330127973 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 (321330139021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2089846 + ... + 2238328.

It is an arithmetic number, because the mean of its divisors is an integer number (40224315600).

Almost surely, 2^321330130021 is an apocalyptic number.

It is an amenable number.

321330130021 is a deficient number, since it is larger than the sum of its proper divisors (464394779).

321330130021 is a wasteful number, since it uses less digits than its factorization.

321330130021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151595.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 321330130021 its reverse (120031033123), we get a palindrome (441361163144).

The spelling of 321330130021 in words is "three hundred twenty-one billion, three hundred thirty million, one hundred thirty thousand, twenty-one".