10103120917 has 2 divisors, whose sum is σ = 10103120918. Its totient is φ = 10103120916.

The previous prime is 10103120887. The next prime is 10103121031. The reversal of 10103120917 is 71902130101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7472046481 + 2631074436 = 86441^2 + 51294^2 .

It is a cyclic number.

It is not a de Polignac number, because 10103120917 - 2⁷ = 10103120789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10103120891 and 10103120900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10103120117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5051560458 + 5051560459.

It is an arithmetic number, because the mean of its divisors is an integer number (5051560459).

Almost surely, 2^10103120917 is an apocalyptic number.

It is an amenable number.

10103120917 is a deficient number, since it is larger than the sum of its proper divisors (1).

10103120917 is an equidigital number, since it uses as much as digits as its factorization.

10103120917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 25.

The spelling of 10103120917 in words is "ten billion, one hundred three million, one hundred twenty thousand, nine hundred seventeen".