From Wikipedia:
LGA 2011, also called Socket R, is a CPU socket by Intel. It replaces Intel's LGA 1366 (Socket B) and LGA 1567 in the performance and high-end desktop and server platforms.[1] The socket has 2011 protruding pins which touch contact points on the underside of the processor.
LGA 1150 is designed as a replacement for the LGA 1155 (known as Socket H2). LGA 1150 has 1150 protruding pins to make contact with the pads on the processor.