"I wouldn't recommend using a Bash alias for what you are trying to accomplish. You can just enter all the information into SSH's config file and be done with it. Read the man page for ssh_config if you are curious where these come from. You can do some neat things with ssh_config
The file is located here ~/.ssh/config
Use your favorite editor and create the file and then adjust these to your situation.
Host nameOfBashAlias HostName 11.11.11.11 User myUsername Port 22
You are now setup to issue the following command:
$ ssh nameOfBashAlias
Something I bet you didn't know is how integrated this all is. Now that you have this setup, the following commands also work