211323020010111 has 8 divisors (see below), whose sum is σ = 313071140755760. Its totient is φ = 140882013340056.

The previous prime is 211323020010097. The next prime is 211323020010163. The reversal of 211323020010111 is 111010020323112.

211323020010111 is a `hidden beast` number, since 2 + 113 + 230 + 200 + 10 + 111 = 666.

It is not a de Polignac number, because 211323020010111 - 2⁹ = 211323020009599 is a prime.

It is a super-2 number, since 2×211323020010111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211323020010611) 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, 3913389259420 + ... + 3913389259473.

It is an arithmetic number, because the mean of its divisors is an integer number (39133892594470).

Almost surely, 2^{211323020010111} is an apocalyptic number.

211323020010111 is a deficient number, since it is larger than the sum of its proper divisors (101748120745649).

211323020010111 is an equidigital number, since it uses as much as digits as its factorization.

211323020010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7826778518902 (or 7826778518896 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 211323020010111 its reverse (111010020323112), we get a palindrome (322333040333223).

The spelling of 211323020010111 in words is "two hundred eleven trillion, three hundred twenty-three billion, twenty million, ten thousand, one hundred eleven".