10120111117 has 2 divisors, whose sum is σ = 10120111118. Its totient is φ = 10120111116.

The previous prime is 10120111109. The next prime is 10120111123. The reversal of 10120111117 is 71111102101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5425942921 + 4694168196 = 73661^2 + 68514^2 .

It is a cyclic number.

It is not a de Polignac number, because 10120111117 - 2³ = 10120111109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10120111117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10120111187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060055558 + 5060055559.

It is an arithmetic number, because the mean of its divisors is an integer number (5060055559).

Almost surely, 2^10120111117 is an apocalyptic number.

It is an amenable number.

10120111117 is a deficient number, since it is larger than the sum of its proper divisors (1).

10120111117 is an equidigital number, since it uses as much as digits as its factorization.

10120111117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14, while the sum is 16.

Adding to 10120111117 its reverse (71111102101), we get a palindrome (81231213218).

The spelling of 10120111117 in words is "ten billion, one hundred twenty million, one hundred eleven thousand, one hundred seventeen".