As Nitram says, you are entitled to all pensions, savings etc on a 117. My Father is on a 117 and he keeps all of his.
He also gets to keep a proportion of his PIP paid when he is in the Care Home, I know it's depending on what percentage of the fees the CCG pay versus Social Services (under the 117) but when he was in his last CH, he kept around 35% of his PIP.