211323112313321 has 32 divisors (see below), whose sum is σ = 223717796501760. Its totient is φ = 199200338878464.

The previous prime is 211323112313303. The next prime is 211323112313351. The reversal of 211323112313321 is 123313211323112.

It is a cyclic number.

It is not a de Polignac number, because 211323112313321 - 2²⁶ = 211323045204457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211323112313351) 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 31 ways as a sum of consecutive naturals, for example, 11476833911 + ... + 11476852323.

It is an arithmetic number, because the mean of its divisors is an integer number (6991181140680).

Almost surely, 2^{211323112313321} is an apocalyptic number.

It is an amenable number.

211323112313321 is a deficient number, since it is larger than the sum of its proper divisors (12394684188439).

211323112313321 is a wasteful number, since it uses less digits than its factorization.

211323112313321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23825.

The product of its digits is 3888, while the sum is 29.

Adding to 211323112313321 its reverse (123313211323112), we get a palindrome (334636323636433).

The spelling of 211323112313321 in words is "two hundred eleven trillion, three hundred twenty-three billion, one hundred twelve million, three hundred thirteen thousand, three hundred twenty-one".