21243000224002 has 8 divisors (see below), whose sum is σ = 32892387443712. Its totient is φ = 10278871076100.

The previous prime is 21243000223979. The next prime is 21243000224077. The reversal of 21243000224002 is 20042200034212.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171314517874 + ... + 171314517997.

It is an arithmetic number, because the mean of its divisors is an integer number (4111548430464).

Almost surely, 2^{21243000224002} is an apocalyptic number.

21243000224002 is a deficient number, since it is larger than the sum of its proper divisors (11649387219710).

21243000224002 is a wasteful number, since it uses less digits than its factorization.

21243000224002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342629035904.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 21243000224002 its reverse (20042200034212), we get a palindrome (41285200258214).

The spelling of 21243000224002 in words is "twenty-one trillion, two hundred forty-three billion, two hundred twenty-four thousand, two".