21043224022259 has 2 divisors, whose sum is σ = 21043224022260. Its totient is φ = 21043224022258.

The previous prime is 21043224022231. The next prime is 21043224022333. The reversal of 21043224022259 is 95222042234012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21043224022259 - 2²⁸ = 21042955586803 is a prime.

It is not a weakly prime, because it can be changed into another prime (21043224022229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10521612011129 + 10521612011130.

It is an arithmetic number, because the mean of its divisors is an integer number (10521612011130).

Almost surely, 2^{21043224022259} is an apocalyptic number.

21043224022259 is a deficient number, since it is larger than the sum of its proper divisors (1).

21043224022259 is an equidigital number, since it uses as much as digits as its factorization.

21043224022259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 21043224022259 in words is "twenty-one trillion, forty-three billion, two hundred twenty-four million, twenty-two thousand, two hundred fifty-nine".