21042114324 has 96 divisors (see below), whose sum is σ = 61239091200. Its totient is φ = 5463192960.

The previous prime is 21042114287. The next prime is 21042114329. The reversal of 21042114324 is 42341124012.

It is a junction number, because it is equal to n+sod(n) for n = 21042114294 and 21042114303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21042114329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4283982 + ... + 4288890.

It is an arithmetic number, because the mean of its divisors is an integer number (637907200).

Almost surely, 2^21042114324 is an apocalyptic number.

It is an amenable number.

21042114324 is an abundant number, since it is smaller than the sum of its proper divisors (40196976876).

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

21042114324 is a wasteful number, since it uses less digits than its factorization.

21042114324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9573 (or 9571 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 21042114324 its reverse (42341124012), we get a palindrome (63383238336).

The spelling of 21042114324 in words is "twenty-one billion, forty-two million, one hundred fourteen thousand, three hundred twenty-four".