21314314211 has 8 divisors (see below), whose sum is σ = 21612364224. Its totient is φ = 21016428480.

The previous prime is 21314314159. The next prime is 21314314267. The reversal of 21314314211 is 11241341312.

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 21314314211 - 2³⁴ = 4134445027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21314314271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232901 + ... + 311241.

It is an arithmetic number, because the mean of its divisors is an integer number (2701545528).

Almost surely, 2^21314314211 is an apocalyptic number.

21314314211 is a deficient number, since it is larger than the sum of its proper divisors (298050013).

21314314211 is an equidigital number, since it uses as much as digits as its factorization.

21314314211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82141.

The product of its digits is 576, while the sum is 23.

Adding to 21314314211 its reverse (11241341312), we get a palindrome (32555655523).

The spelling of 21314314211 in words is "twenty-one billion, three hundred fourteen million, three hundred fourteen thousand, two hundred eleven".