211000123321 has 16 divisors (see below), whose sum is σ = 235473735168. Its totient is φ = 187752960000.

The previous prime is 211000123249. The next prime is 211000123339. The reversal of 211000123321 is 123321000112.

211000123321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 211000123321 - 2¹⁹ = 210999599033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211000123295 and 211000123304.

It is not an unprimeable number, because it can be changed into a prime (211000123021) 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 15 ways as a sum of consecutive naturals, for example, 915055 + ... + 1122196.

It is an arithmetic number, because the mean of its divisors is an integer number (14717108448).

Almost surely, 2^211000123321 is an apocalyptic number.

It is an amenable number.

211000123321 is a deficient number, since it is larger than the sum of its proper divisors (24473611847).

211000123321 is a wasteful number, since it uses less digits than its factorization.

211000123321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037552.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 211000123321 its reverse (123321000112), we get a palindrome (334321123433).

The spelling of 211000123321 in words is "two hundred eleven billion, one hundred twenty-three thousand, three hundred twenty-one".