10091012117 has 2 divisors, whose sum is σ = 10091012118. Its totient is φ = 10091012116.

The previous prime is 10091012093. The next prime is 10091012123. The reversal of 10091012117 is 71121019001.

It is a happy number.

10091012117 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5533276996 + 4557735121 = 74386^2 + 67511^2 .

It is a cyclic number.

It is not a de Polignac number, because 10091012117 - 2⁶ = 10091012053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10091012092 and 10091012101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10091012417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5045506058 + 5045506059.

It is an arithmetic number, because the mean of its divisors is an integer number (5045506059).

Almost surely, 2^10091012117 is an apocalyptic number.

It is an amenable number.

10091012117 is a deficient number, since it is larger than the sum of its proper divisors (1).

10091012117 is an equidigital number, since it uses as much as digits as its factorization.

10091012117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 23.

The spelling of 10091012117 in words is "ten billion, ninety-one million, twelve thousand, one hundred seventeen".