21324241411124 has 6 divisors (see below), whose sum is σ = 37317422469474. Its totient is φ = 10662120705560.

The previous prime is 21324241411069. The next prime is 21324241411129. The reversal of 21324241411124 is 42111414242312.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 20982519326224 + 341722084900 = 4580668^2 + 584570^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21324241411129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2665530176387 + ... + 2665530176394.

It is an arithmetic number, because the mean of its divisors is an integer number (6219570411579).

Almost surely, 2^{21324241411124} is an apocalyptic number.

It is an amenable number.

21324241411124 is a deficient number, since it is larger than the sum of its proper divisors (15993181058350).

21324241411124 is a wasteful number, since it uses less digits than its factorization.

21324241411124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5331060352785 (or 5331060352783 counting only the distinct ones).

The product of its digits is 12288, while the sum is 32.

Adding to 21324241411124 its reverse (42111414242312), we get a palindrome (63435655653436).

The spelling of 21324241411124 in words is "twenty-one trillion, three hundred twenty-four billion, two hundred forty-one million, four hundred eleven thousand, one hundred twenty-four".