10000...10587 (121-digits)

This number is a prime.

                    1 0000000000 0000000000 0000000000 0000000000 0000000000
0000000000 0000000000 0000000100 0001000000 0000000000 0000000100 0003710587

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A prime number that when spelled in Spanish uses 22 (of the 27 total) distinct letters in the modern Spanish alphabet. Note that the following five letters are never used in Spanish for any number: f, j, k, ñ and w. 10^120+10^42+10^36+10^12+3710587 = "UN VIGiLiÓn un SEPTillón un seXtillón un Billón tRes Millones seteCientos DieZ mil Quinientos ocHentA Y siete." In order of appearance: U, N, V, I, G, L, O, S, E, P, T, X, B, R, M, C, D, Z, Q, H, A, Y. Check the spelling here. [Rivera]