211323313211 has 8 divisors (see below), whose sum is σ = 214226952384. Its totient is φ = 208419912000.

The previous prime is 211323313207. The next prime is 211323313247. The reversal of 211323313211 is 112313323112.

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 211323313211 - 2² = 211323313207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211323313811) 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, 2451086 + ... + 2535836.

It is an arithmetic number, because the mean of its divisors is an integer number (26778369048).

Almost surely, 2^211323313211 is an apocalyptic number.

211323313211 is a deficient number, since it is larger than the sum of its proper divisors (2903639173).

211323313211 is an equidigital number, since it uses as much as digits as its factorization.

211323313211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118981.

The product of its digits is 648, while the sum is 23.

Adding to 211323313211 its reverse (112313323112), we get a palindrome (323636636323).

Subtracting from 211323313211 its reverse (112313323112), we obtain a palindrome (99009990099).

The spelling of 211323313211 in words is "two hundred eleven billion, three hundred twenty-three million, three hundred thirteen thousand, two hundred eleven".