108864212321 has 2 divisors, whose sum is σ = 108864212322. Its totient is φ = 108864212320.

The previous prime is 108864212297. The next prime is 108864212341. The reversal of 108864212321 is 123212468801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102553657600 + 6310554721 = 320240^2 + 79439^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108864212321 is a prime.

It is not a weakly prime, because it can be changed into another prime (108864212341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54432106160 + 54432106161.

It is an arithmetic number, because the mean of its divisors is an integer number (54432106161).

Almost surely, 2^108864212321 is an apocalyptic number.

It is an amenable number.

108864212321 is a deficient number, since it is larger than the sum of its proper divisors (1).

108864212321 is an equidigital number, since it uses as much as digits as its factorization.

108864212321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 38.

The spelling of 108864212321 in words is "one hundred eight billion, eight hundred sixty-four million, two hundred twelve thousand, three hundred twenty-one".