It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
Almost surely, 2100105500550550 is an apocalyptic number.
100105500550550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
100105500550550 is a wasteful number, since it uses less digits than its factorization.
100105500550550 is an odious number, because the sum of its binary digits is odd.
The spelling of 100105500550550 in words is "one hundred trillion, one hundred five billion, five hundred million, five hundred fifty thousand, five hundred fifty".