Rather than words, let the numbers talk

Answer of the whatsapp puzzle Rather than words, let the numbers talk is : 13112221

HOW : As the puzzle says  let the numbers talk, so they will talk as follows

1 – read as one one (11)
11 – read as two ones (21)
21 – read as one two one one (1211)
1211 – read as one one, one two, two ones (111221)
111221 – read as three ones, two twos, one one (312211)
312211 – read as one three, one one, two twos, two ones (13112221)

Now if you want to go one steps ahead and want to find the next number, it would be as follows.

13112221- read as one one, one three, two one, three two, one one (1113213211)