21330022113 has 32 divisors (see below), whose sum is σ = 32143099520. Its totient is φ = 13976582400.

The previous prime is 21330022097. The next prime is 21330022121. The reversal of 21330022113 is 31122003312.

It is not a de Polignac number, because 21330022113 - 2⁴ = 21330022097 is a prime.

It is a Duffinian number.

21330022113 is a modest number, since divided by 22113 gives 21330 as remainder.

It is not an unprimeable number, because it can be changed into a prime (21330022013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 813813 + ... + 839613.

It is an arithmetic number, because the mean of its divisors is an integer number (1004471860).

Almost surely, 2^21330022113 is an apocalyptic number.

It is an amenable number.

21330022113 is a deficient number, since it is larger than the sum of its proper divisors (10813077407).

21330022113 is a wasteful number, since it uses less digits than its factorization.

21330022113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26334 (or 26328 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 21330022113 its reverse (31122003312), we get a palindrome (52452025425).

The spelling of 21330022113 in words is "twenty-one billion, three hundred thirty million, twenty-two thousand, one hundred thirteen".