211230996884273 has 2 divisors, whose sum is σ = 211230996884274. Its totient is φ = 211230996884272.

The previous prime is 211230996884263. The next prime is 211230996884309. The reversal of 211230996884273 is 372488699032112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120759263858704 + 90471733025569 = 10989052^2 + 9511663^2 .

It is a cyclic number.

It is not a de Polignac number, because 211230996884273 - 2²⁴ = 211230980107057 is a prime.

It is not a weakly prime, because it can be changed into another prime (211230996884263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105615498442136 + 105615498442137.

It is an arithmetic number, because the mean of its divisors is an integer number (105615498442137).

Almost surely, 2^{211230996884273} is an apocalyptic number.

It is an amenable number.

211230996884273 is a deficient number, since it is larger than the sum of its proper divisors (1).

211230996884273 is an equidigital number, since it uses as much as digits as its factorization.

211230996884273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62705664, while the sum is 65.

The spelling of 211230996884273 in words is "two hundred eleven trillion, two hundred thirty billion, nine hundred ninety-six million, eight hundred eighty-four thousand, two hundred seventy-three".