21324301241441 has 4 divisors (see below), whose sum is σ = 23262874081584. Its totient is φ = 19385728401300.

The previous prime is 21324301241387. The next prime is 21324301241623. The reversal of 21324301241441 is 14414210342312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21324301241441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21324301241398 and 21324301241407.

It is not an unprimeable number, because it can be changed into a prime (21324301241141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 969286420055 + ... + 969286420076.

It is an arithmetic number, because the mean of its divisors is an integer number (5815718520396).

Almost surely, 2^{21324301241441} is an apocalyptic number.

It is an amenable number.

21324301241441 is a deficient number, since it is larger than the sum of its proper divisors (1938572840143).

21324301241441 is a wasteful number, since it uses less digits than its factorization.

21324301241441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938572840142.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 21324301241441 its reverse (14414210342312), we get a palindrome (35738511583753).

The spelling of 21324301241441 in words is "twenty-one trillion, three hundred twenty-four billion, three hundred one million, two hundred forty-one thousand, four hundred forty-one".