1210112117 has 2 divisors, whose sum is σ = 1210112118. Its totient is φ = 1210112116.

The previous prime is 1210112093. The next prime is 1210112153. The reversal of 1210112117 is 7112110121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 836308561 + 373803556 = 28919^2 + 19334^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210112117 - 2¹⁰ = 1210111093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1210112095 and 1210112104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210132117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605056058 + 605056059.

It is an arithmetic number, because the mean of its divisors is an integer number (605056059).

Almost surely, 2^1210112117 is an apocalyptic number.

It is an amenable number.

1210112117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210112117 is an equidigital number, since it uses as much as digits as its factorization.

1210112117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 17.

The square root of 1210112117 is about 34786.6657930880. The cubic root of 1210112117 is about 1065.6351481815.

Adding to 1210112117 its reverse (7112110121), we get a palindrome (8322222238).

The spelling of 1210112117 in words is "one billion, two hundred ten million, one hundred twelve thousand, one hundred seventeen".