112112020117 has 2 divisors, whose sum is σ = 112112020118. Its totient is φ = 112112020116.

The previous prime is 112112020093. The next prime is 112112020177. The reversal of 112112020117 is 711020211211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67198119076 + 44913901041 = 259226^2 + 211929^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112112020117 is a prime.

It is a super-2 number, since 2×112112020117² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112112020094 and 112112020103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112112020177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56056010058 + 56056010059.

It is an arithmetic number, because the mean of its divisors is an integer number (56056010059).

Almost surely, 2^112112020117 is an apocalyptic number.

It is an amenable number.

112112020117 is a deficient number, since it is larger than the sum of its proper divisors (1).

112112020117 is an equidigital number, since it uses as much as digits as its factorization.

112112020117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 112112020117 its reverse (711020211211), we get a palindrome (823132231328).

The spelling of 112112020117 in words is "one hundred twelve billion, one hundred twelve million, twenty thousand, one hundred seventeen".