21330013303106 has 8 divisors (see below), whose sum is σ = 32127779374284. Its totient is φ = 10620753511680.

The previous prime is 21330013303097. The next prime is 21330013303121. The reversal of 21330013303106 is 60130331003312.

It can be written as a sum of positive squares in 2 ways, for example, as 21173388117025 + 156625186081 = 4601455^2 + 395759^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22126569335 + ... + 22126570298.

Almost surely, 2^{21330013303106} is an apocalyptic number.

21330013303106 is a deficient number, since it is larger than the sum of its proper divisors (10797766071178).

21330013303106 is a wasteful number, since it uses less digits than its factorization.

21330013303106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44253139876.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 21330013303106 its reverse (60130331003312), we get a palindrome (81460344306418).

The spelling of 21330013303106 in words is "twenty-one trillion, three hundred thirty billion, thirteen million, three hundred three thousand, one hundred six".