101000120983717 has 2 divisors, whose sum is σ = 101000120983718. Its totient is φ = 101000120983716.

The previous prime is 101000120983681. The next prime is 101000120983739. The reversal of 101000120983717 is 717389021000101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81364711617121 + 19635409366596 = 9020239^2 + 4431186^2 .

It is a cyclic number.

It is not a de Polignac number, because 101000120983717 - 2³¹ = 100997973500069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101000120983717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101000120983787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50500060491858 + 50500060491859.

It is an arithmetic number, because the mean of its divisors is an integer number (50500060491859).

Almost surely, 2^{101000120983717} is an apocalyptic number.

It is an amenable number.

101000120983717 is a deficient number, since it is larger than the sum of its proper divisors (1).

101000120983717 is an equidigital number, since it uses as much as digits as its factorization.

101000120983717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 40.

Adding to 101000120983717 its reverse (717389021000101), we get a palindrome (818389141983818).

The spelling of 101000120983717 in words is "one hundred one trillion, one hundred twenty million, nine hundred eighty-three thousand, seven hundred seventeen".