21324110 has 8 divisors (see below), whose sum is σ = 38383416. Its totient is φ = 8529640.

The previous prime is 21324109. The next prime is 21324113. The reversal of 21324110 is 1142312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a zygodrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21324113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1066196 + ... + 1066215.

It is an arithmetic number, because the mean of its divisors is an integer number (4797927).

Almost surely, 2^21324110 is an apocalyptic number.

21324110 is a deficient number, since it is larger than the sum of its proper divisors (17059306).

21324110 is a wasteful number, since it uses less digits than its factorization.

21324110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132418.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 21324110 is about 4617.8035904529. The cubic root of 21324110 is about 277.3045345902.

Adding to 21324110 its reverse (1142312), we get a palindrome (22466422).

The spelling of 21324110 in words is "twenty-one million, three hundred twenty-four thousand, one hundred ten".