What is jan pietrzak wiek?

As an AI language model, I don't have access to real-time information, but as of 2021, Jan Pietrzak is 86 years old. He was born on January 9, 1935, in Załęże, Poland. Pietrzak is a Polish actor, comedian, and writer, who has been active in the entertainment industry for over 50 years. He is known for his humorous sketches and satirical commentaries on Polish politics and society. He has also appeared in a number of films and TV series. Jan Pietrzak is considered one of the most influential personalities in the Polish entertainment industry.