101221000259 has 2 divisors, whose sum is σ = 101221000260. Its totient is φ = 101221000258.

The previous prime is 101221000163. The next prime is 101221000289. The reversal of 101221000259 is 952000122101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101221000259 is a prime.

It is not a weakly prime, because it can be changed into another prime (101221000289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50610500129 + 50610500130.

It is an arithmetic number, because the mean of its divisors is an integer number (50610500130).

Almost surely, 2^101221000259 is an apocalyptic number.

101221000259 is a deficient number, since it is larger than the sum of its proper divisors (1).

101221000259 is an equidigital number, since it uses as much as digits as its factorization.

101221000259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 23.

The spelling of 101221000259 in words is "one hundred one billion, two hundred twenty-one million, two hundred fifty-nine", and thus it is an aban number.