211121111210327 has 2 divisors, whose sum is σ = 211121111210328. Its totient is φ = 211121111210326.

The previous prime is 211121111210213. The next prime is 211121111210329. The reversal of 211121111210327 is 723012111121112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211121111210327 - 2²⁴ = 211121094433111 is a prime.

Together with 211121111210329, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 211121111210296 and 211121111210305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211121111210329) 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 as a sum of consecutive naturals, namely, 105560555605163 + 105560555605164.

It is an arithmetic number, because the mean of its divisors is an integer number (105560555605164).

Almost surely, 2^{211121111210327} is an apocalyptic number.

211121111210327 is a deficient number, since it is larger than the sum of its proper divisors (1).

211121111210327 is an equidigital number, since it uses as much as digits as its factorization.

211121111210327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 26.

Adding to 211121111210327 its reverse (723012111121112), we get a palindrome (934133222331439).

The spelling of 211121111210327 in words is "two hundred eleven trillion, one hundred twenty-one billion, one hundred eleven million, two hundred ten thousand, three hundred twenty-seven".