Adding to 101010100 its reverse (1010101), we get a palindrome (102020201).
Subtracting from 101010100 its reverse (1010101), we obtain a palindrome (99999999).
Multipling 101010100 by its reverse (1010101), we get a square (102030403020100 = 101010102).
101010100 divided by its reverse (1010101) gives a square (100 = 102).
It is a self number, because there is not a number n which added to its sum of digits gives 101010100.
It is a congruent number.
It is an unprimeable number.
Almost surely, 2101010100 is an apocalyptic number.
101010100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 101010100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113016204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
101010100 is a wasteful number, since it uses less digits than its factorization.
101010100 is an odious number, because the sum of its binary digits is odd.
The square root of 101010100 is about 10050.3781023402. The cubic root of 101010100 is about 465.7164736280.
The spelling of 101010100 in words is "one hundred one million, ten thousand, one hundred".