This number is a prime.
101107 1571311632 6310913763 1461193401 1037192774 3173995373 3167241389
The smallest prime that begins with the smallest 3-digit prime, 101, and that is a concatenation of n distinct 3-digit primes, so that, deleting from the right each time a 3-digit prime, always remains a prime, (case n=22). Shall we call it a “special right-truncatable prime”? [Loungrides]