21330002213 has 8 divisors (see below), whose sum is σ = 23016446208. Its totient is φ = 19650083184.

The previous prime is 21330002207. The next prime is 21330002279. The reversal of 21330002213 is 31220003312.

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

It is a cyclic number.

It is not a de Polignac number, because 21330002213 - 2⁶ = 21330002149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21330002191 and 21330002200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21333002213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1624445 + ... + 1637522.

It is an arithmetic number, because the mean of its divisors is an integer number (2877055776).

Almost surely, 2^21330002213 is an apocalyptic number.

It is an amenable number.

21330002213 is a deficient number, since it is larger than the sum of its proper divisors (1686443995).

21330002213 is a wasteful number, since it uses less digits than its factorization.

21330002213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3262483.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 21330002213 its reverse (31220003312), we get a palindrome (52550005525).

The spelling of 21330002213 in words is "twenty-one billion, three hundred thirty million, two thousand, two hundred thirteen".