If we define neutral numbers to be neither prime nor composite, then 1 is the only one in that range.
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220
113 is one of the prime numbers between 100 and 120.
120
101 and 111 are the two numbers between 100 and 120 that read the same way forward and backward.
The even square numbers between 20 and 120 are 36, 64, and 100. These correspond to the squares of the even integers 6, 8, and 10, respectively.