213300021005 has 16 divisors (see below), whose sum is σ = 269478310080. Its totient is φ = 161630940672.

The previous prime is 213300020951. The next prime is 213300021007. The reversal of 213300021005 is 500120003312.

It is a cyclic number.

It is not a de Polignac number, because 213300021005 - 2²⁰ = 213298972429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213300021007) 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 15 ways as a sum of consecutive naturals, for example, 364742 + ... + 748088.

It is an arithmetic number, because the mean of its divisors is an integer number (16842394380).

Almost surely, 2^213300021005 is an apocalyptic number.

It is an amenable number.

213300021005 is a deficient number, since it is larger than the sum of its proper divisors (56178289075).

213300021005 is a wasteful number, since it uses less digits than its factorization.

213300021005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389228.

The product of its (nonzero) digits is 180, while the sum is 17.

Adding to 213300021005 its reverse (500120003312), we get a palindrome (713420024317).

The spelling of 213300021005 in words is "two hundred thirteen billion, three hundred million, twenty-one thousand, five".