210100243321 has 8 divisors (see below), whose sum is σ = 215682234624. Its totient is φ = 204564576000.

The previous prime is 210100243319. The next prime is 210100243343. The reversal of 210100243321 is 123342001012.

It is a happy number.

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 210100243321 - 2¹ = 210100243319 is a prime.

It is a super-2 number, since 2×210100243321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210100243351) 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, 11571805 + ... + 11589946.

It is an arithmetic number, because the mean of its divisors is an integer number (26960279328).

Almost surely, 2^210100243321 is an apocalyptic number.

It is an amenable number.

210100243321 is a deficient number, since it is larger than the sum of its proper divisors (5581991303).

210100243321 is a wasteful number, since it uses less digits than its factorization.

210100243321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23161991.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 210100243321 its reverse (123342001012), we get a palindrome (333442244333).

The spelling of 210100243321 in words is "two hundred ten billion, one hundred million, two hundred forty-three thousand, three hundred twenty-one".