I posted this in a different thread recently:

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it is to illustrate the vastness of infinity not the efficacy of monkeys

assuming one infinite monkey:

sonnet 18 has 592 characters- or a chance of 4.3x10^-848

For scale - the universe is 1.3x10^10 years old.

And the ^-848 was 14 lines, a onehundredth of a single percent of the complete works.

However, it's infinite monkeys, so the time it would take is effectively how every long it takes for one monkey to type that many lines. A few days? A week? In an infinite monkey cage it's done at the first attempt: that's the size of infinity.

If you converted all the mass in the universe to energy, and all the time until it's heat death and could combine them into one machine: probably not enough to clear Titus Andronicus.