210334242321 has 20 divisors (see below), whose sum is σ = 359089148352. Its totient is φ = 120190995288.

The previous prime is 210334242319. The next prime is 210334242341. The reversal of 210334242321 is 123242433012.

210334242321 is a `hidden beast` number, since 2 + 1 + 0 + 3 + 3 + 424 + 232 + 1 = 666.

210334242321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 210334242321 - 2¹ = 210334242319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (210334242341) 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 19 ways as a sum of consecutive naturals, for example, 185479365 + ... + 185480498.

Almost surely, 2^210334242321 is an apocalyptic number.

210334242321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

210334242321 is a deficient number, since it is larger than the sum of its proper divisors (148754906031).

210334242321 is an equidigital number, since it uses as much as digits as its factorization.

210334242321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370959882 (or 370959873 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 210334242321 its reverse (123242433012), we get a palindrome (333576675333).

The spelling of 210334242321 in words is "two hundred ten billion, three hundred thirty-four million, two hundred forty-two thousand, three hundred twenty-one".