21313300211 has 8 divisors (see below), whose sum is σ = 24359152224. Its totient is φ = 18267721920.

The previous prime is 21313300201. The next prime is 21313300219. The reversal of 21313300211 is 11200331312.

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

It is a de Polignac number, because none of the positive numbers 2^k-21313300211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21313300211.

It is not an unprimeable number, because it can be changed into a prime (21313300219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141281 + ... + 250173.

It is an arithmetic number, because the mean of its divisors is an integer number (3044894028).

Almost surely, 2^21313300211 is an apocalyptic number.

21313300211 is a deficient number, since it is larger than the sum of its proper divisors (3045852013).

21313300211 is a wasteful number, since it uses less digits than its factorization.

21313300211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136861.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 21313300211 its reverse (11200331312), we get a palindrome (32513631523).

The spelling of 21313300211 in words is "twenty-one billion, three hundred thirteen million, three hundred thousand, two hundred eleven".