21222000220259 has 2 divisors, whose sum is σ = 21222000220260. Its totient is φ = 21222000220258.

The previous prime is 21222000220207. The next prime is 21222000220297. The reversal of 21222000220259 is 95202200022212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21222000220259 - 2⁴⁴ = 3629814175843 is a prime.

It is not a weakly prime, because it can be changed into another prime (21222000220859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10611000110129 + 10611000110130.

It is an arithmetic number, because the mean of its divisors is an integer number (10611000110130).

Almost surely, 2^{21222000220259} is an apocalyptic number.

21222000220259 is a deficient number, since it is larger than the sum of its proper divisors (1).

21222000220259 is an equidigital number, since it uses as much as digits as its factorization.

21222000220259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 21222000220259 in words is "twenty-one trillion, two hundred twenty-two billion, two hundred twenty thousand, two hundred fifty-nine".