21102330211 has 8 divisors (see below), whose sum is σ = 21913008480. Its totient is φ = 20297186112.

The previous prime is 21102330157. The next prime is 21102330247. The reversal of 21102330211 is 11203320112.

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 21102330211 - 2¹⁵ = 21102297443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21102330311) 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, 1375770 + ... + 1391023.

It is an arithmetic number, because the mean of its divisors is an integer number (2739126060).

Almost surely, 2^21102330211 is an apocalyptic number.

21102330211 is a deficient number, since it is larger than the sum of its proper divisors (810678269).

21102330211 is a wasteful number, since it uses less digits than its factorization.

21102330211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767085.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21102330211 its reverse (11203320112), we get a palindrome (32305650323).

The spelling of 21102330211 in words is "twenty-one billion, one hundred two million, three hundred thirty thousand, two hundred eleven".