211331323200021 has 8 divisors (see below), whose sum is σ = 285635030444160. Its totient is φ = 138957582377952.

The previous prime is 211331323199873. The next prime is 211331323200047. The reversal of 211331323200021 is 120002323133112.

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

It is not a de Polignac number, because 211331323200021 - 2¹³ = 211331323191829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211331323199964 and 211331323200000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211331323201021) 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, 482491605261 + ... + 482491605698.

It is an arithmetic number, because the mean of its divisors is an integer number (35704378805520).

Almost surely, 2^{211331323200021} is an apocalyptic number.

It is an amenable number.

211331323200021 is a deficient number, since it is larger than the sum of its proper divisors (74303707244139).

211331323200021 is an equidigital number, since it uses as much as digits as its factorization.

211331323200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964983211035.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 211331323200021 its reverse (120002323133112), we get a palindrome (331333646333133).

The spelling of 211331323200021 in words is "two hundred eleven trillion, three hundred thirty-one billion, three hundred twenty-three million, two hundred thousand, twenty-one".