211242324321 has 12 divisors (see below), whose sum is σ = 348717487872. Its totient is φ = 120709899576.

The previous prime is 211242324289. The next prime is 211242324347. The reversal of 211242324321 is 123423242112.

211242324321 is a `hidden beast` number, since 2 + 1 + 12 + 4 + 2 + 324 + 321 = 666.

It is not a de Polignac number, because 211242324321 - 2⁵ = 211242324289 is a prime.

It is a super-2 number, since 2×211242324321² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211242324421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1676526321 + ... + 1676526446.

It is an arithmetic number, because the mean of its divisors is an integer number (29059790656).

Almost surely, 2^211242324321 is an apocalyptic number.

211242324321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

211242324321 is a deficient number, since it is larger than the sum of its proper divisors (137475163551).

211242324321 is a wasteful number, since it uses less digits than its factorization.

211242324321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3353052780 (or 3353052777 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 211242324321 its reverse (123423242112), we get a palindrome (334665566433).

The spelling of 211242324321 in words is "two hundred eleven billion, two hundred forty-two million, three hundred twenty-four thousand, three hundred twenty-one".