92222...22229 (111-digits)

This number is a prime.

                               9 2222222222 2222222222 2222222222 2222222222
2222222222 2222222222 2222222222 2222222222 2222222222 2222222222 2222222229

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The largest non-titanic prime of form 9(2)_k9, (k=109). [Loungrides]