21210120300313 has 8 divisors (see below), whose sum is σ = 24546974670080. Its totient is φ = 17949975226560.

The previous prime is 21210120300289. The next prime is 21210120300371. The reversal of 21210120300313 is 31300302101212.

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 21210120300313 - 2⁹ = 21210120299801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21210120300113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19177323408 + ... + 19177324513.

It is an arithmetic number, because the mean of its divisors is an integer number (3068371833760).

Almost surely, 2^{21210120300313} is an apocalyptic number.

It is an amenable number.

21210120300313 is a deficient number, since it is larger than the sum of its proper divisors (3336854369767).

21210120300313 is an equidigital number, since it uses as much as digits as its factorization.

21210120300313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38354648007.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 21210120300313 its reverse (31300302101212), we get a palindrome (52510422401525).

The spelling of 21210120300313 in words is "twenty-one trillion, two hundred ten billion, one hundred twenty million, three hundred thousand, three hundred thirteen".