21302122301959 has 2 divisors, whose sum is σ = 21302122301960. Its totient is φ = 21302122301958.

The previous prime is 21302122301947. The next prime is 21302122302001. The reversal of 21302122301959 is 95910322120312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21302122301959 - 2⁵ = 21302122301927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21302122302959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10651061150979 + 10651061150980.

It is an arithmetic number, because the mean of its divisors is an integer number (10651061150980).

Almost surely, 2^{21302122301959} is an apocalyptic number.

21302122301959 is a deficient number, since it is larger than the sum of its proper divisors (1).

21302122301959 is an equidigital number, since it uses as much as digits as its factorization.

21302122301959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 40.

The spelling of 21302122301959 in words is "twenty-one trillion, three hundred two billion, one hundred twenty-two million, three hundred one thousand, nine hundred fifty-nine".