21324022411 has 8 divisors (see below), whose sum is σ = 22447686800. Its totient is φ = 20200492800.

The previous prime is 21324022399. The next prime is 21324022417. The reversal of 21324022411 is 11422042312.

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

It is a cyclic number.

It is not a de Polignac number, because 21324022411 - 2⁷ = 21324022283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21324022417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554611 + ... + 591811.

It is an arithmetic number, because the mean of its divisors is an integer number (2805960850).

Almost surely, 2^21324022411 is an apocalyptic number.

21324022411 is a deficient number, since it is larger than the sum of its proper divisors (1123664389).

21324022411 is a wasteful number, since it uses less digits than its factorization.

21324022411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67389.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 21324022411 its reverse (11422042312), we get a palindrome (32746064723).

The spelling of 21324022411 in words is "twenty-one billion, three hundred twenty-four million, twenty-two thousand, four hundred eleven".