212321323022111 has 2 divisors, whose sum is σ = 212321323022112. Its totient is φ = 212321323022110.

The previous prime is 212321323022063. The next prime is 212321323022117. The reversal of 212321323022111 is 111220323123212.

212321323022111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212321323022111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212321323022117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106160661511055 + 106160661511056.

It is an arithmetic number, because the mean of its divisors is an integer number (106160661511056).

Almost surely, 2^{212321323022111} is an apocalyptic number.

212321323022111 is a deficient number, since it is larger than the sum of its proper divisors (1).

212321323022111 is an equidigital number, since it uses as much as digits as its factorization.

212321323022111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 212321323022111 its reverse (111220323123212), we get a palindrome (323541646145323).

The spelling of 212321323022111 in words is "two hundred twelve trillion, three hundred twenty-one billion, three hundred twenty-three million, twenty-two thousand, one hundred eleven".