321211222112093 has 2 divisors, whose sum is σ = 321211222112094. Its totient is φ = 321211222112092.

The previous prime is 321211222112069. The next prime is 321211222112167. The reversal of 321211222112093 is 390211222112123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 275817625786564 + 45393596325529 = 16607758^2 + 6737477^2 .

It is an emirp because it is prime and its reverse (390211222112123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 321211222112093 - 2⁴⁶ = 250842477934429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321211222111093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160605611056046 + 160605611056047.

It is an arithmetic number, because the mean of its divisors is an integer number (160605611056047).

Almost surely, 2^{321211222112093} is an apocalyptic number.

It is an amenable number.

321211222112093 is a deficient number, since it is larger than the sum of its proper divisors (1).

321211222112093 is an equidigital number, since it uses as much as digits as its factorization.

321211222112093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 321211222112093 in words is "three hundred twenty-one trillion, two hundred eleven billion, two hundred twenty-two million, one hundred twelve thousand, ninety-three".