Adding to 10121100000 its reverse (112101), we get a palindrome (10121212101).
10121100000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a congruent number.
It is an unprimeable number.
Almost surely, 210121100000 is an apocalyptic number.
10121100000 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 10121100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18119215296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10121100000 is an equidigital number, since it uses as much as digits as its factorization.
10121100000 is an odious number, because the sum of its binary digits is odd.
The spelling of 10121100000 in words is "ten billion, one hundred twenty-one million, one hundred thousand".