112121117 has 2 divisors, whose sum is σ = 112121118. Its totient is φ = 112121116.

The previous prime is 112121099. The next prime is 112121143. The reversal of 112121117 is 711121211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105288121 + 6832996 = 10261^2 + 2614^2 .

It is a cyclic number.

It is not a de Polignac number, because 112121117 - 2¹⁰ = 112120093 is a prime.

It is a super-2 number, since 2×112121117² = 25142289754655378, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 112121095 and 112121104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112121617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56060558 + 56060559.

It is an arithmetic number, because the mean of its divisors is an integer number (56060559).

Almost surely, 2^112121117 is an apocalyptic number.

It is an amenable number.

112121117 is a deficient number, since it is larger than the sum of its proper divisors (1).

112121117 is an equidigital number, since it uses as much as digits as its factorization.

112121117 is an evil number, because the sum of its binary digits is even.

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

The square root of 112121117 is about 10588.7259384687. The cubic root of 112121117 is about 482.2021457160.

Adding to 112121117 its reverse (711121211), we get a palindrome (823242328).

The spelling of 112121117 in words is "one hundred twelve million, one hundred twenty-one thousand, one hundred seventeen".