I need help, how I can create a formula that will look up the id and will concatenate and keep the last digits. 

For example ID is 1110123255661, once I create a formula field it will look up that customer ID but only the last 4 digits

Cloudera isa cloud storage and I wanted to know if there's  way we can integrate each other. So If I wanted to update something within salesforce through cloudera will be possible

I need help, how I can create a formula that will look up the id and will concatenate and keep the last digits. 

For example ID is 1110123255661, once I create a formula field it will look up that customer ID but only the last 4 digits