21222032320859 has 2 divisors, whose sum is σ = 21222032320860. Its totient is φ = 21222032320858.

The previous prime is 21222032320831. The next prime is 21222032320883. The reversal of 21222032320859 is 95802323022212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21222032320859 - 2¹² = 21222032316763 is a prime.

It is not a weakly prime, because it can be changed into another prime (21222032320889) 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, 10611016160429 + 10611016160430.

It is an arithmetic number, because the mean of its divisors is an integer number (10611016160430).

Almost surely, 2^{21222032320859} is an apocalyptic number.

21222032320859 is a deficient number, since it is larger than the sum of its proper divisors (1).

21222032320859 is an equidigital number, since it uses as much as digits as its factorization.

21222032320859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 21222032320859 in words is "twenty-one trillion, two hundred twenty-two billion, thirty-two million, three hundred twenty thousand, eight hundred fifty-nine".