21120214124322 has 24 divisors (see below), whose sum is σ = 45842619189276. Its totient is φ = 7027432105056.

The previous prime is 21120214124279. The next prime is 21120214124323. The reversal of 21120214124322 is 22342141202112.

21120214124322 is a `hidden beast` number, since 2 + 1 + 1 + 2 + 0 + 214 + 12 + 432 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20840329744641 + 279884379681 = 4565121^2 + 529041^2 .

It is not an unprimeable number, because it can be changed into a prime (21120214124323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1053262173 + ... + 1053282224.

Almost surely, 2^{21120214124322} is an apocalyptic number.

21120214124322 is an abundant number, since it is smaller than the sum of its proper divisors (24722405064954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21120214124322 is a wasteful number, since it uses less digits than its factorization.

21120214124322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106544962 (or 2106544959 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 21120214124322 its reverse (22342141202112), we get a palindrome (43462355326434).

The spelling of 21120214124322 in words is "twenty-one trillion, one hundred twenty billion, two hundred fourteen million, one hundred twenty-four thousand, three hundred twenty-two".