Answer:
What can be swallowed, But can also swallow you?
I am round as a bowl, deep as a tub, but all the world's water couldn't fill me up.
I have a hundred legs, but cannot stand. I have a long neck, but no head. I cannot see. I'm neat and tidy as can be.
If eleven plus two equals one, what is nine plus five equal to?
Tool of thief, toy of queen. Always used to be unseen. Sign of joy, sign of sorrow. Giving all likeness borrowed.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?