21380033971201 has 8 divisors (see below), whose sum is σ = 22048638523200. Its totient is φ = 20721637122480.

The previous prime is 21380033971181. The next prime is 21380033971213. The reversal of 21380033971201 is 10217933008312.

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 21380033971201 - 2⁷ = 21380033971073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21380033971801) 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, 2551921566 + ... + 2551929943.

It is an arithmetic number, because the mean of its divisors is an integer number (2756079815400).

Almost surely, 2^{21380033971201} is an apocalyptic number.

It is an amenable number.

21380033971201 is a deficient number, since it is larger than the sum of its proper divisors (668604551999).

21380033971201 is an equidigital number, since it uses as much as digits as its factorization.

21380033971201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5103851639.

The product of its (nonzero) digits is 54432, while the sum is 40.

Adding to 21380033971201 its reverse (10217933008312), we get a palindrome (31597966979513).

The spelling of 21380033971201 in words is "twenty-one trillion, three hundred eighty billion, thirty-three million, nine hundred seventy-one thousand, two hundred one".