101220000239 has 2 divisors, whose sum is σ = 101220000240. Its totient is φ = 101220000238.

The previous prime is 101220000209. The next prime is 101220000257. The reversal of 101220000239 is 932000022101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101220000239 - 2²⁸ = 100951564783 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101220000239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101220000209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50610000119 + 50610000120.

It is an arithmetic number, because the mean of its divisors is an integer number (50610000120).

Almost surely, 2^101220000239 is an apocalyptic number.

101220000239 is a deficient number, since it is larger than the sum of its proper divisors (1).

101220000239 is an equidigital number, since it uses as much as digits as its factorization.

101220000239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The spelling of 101220000239 in words is "one hundred one billion, two hundred twenty million, two hundred thirty-nine", and thus it is an aban number.