Adding to 10020020121210 its reverse (1212102002001), we get a palindrome (11232122123211).
It is an unprimeable number.
Almost surely, 210020020121210 is an apocalyptic number.
10020020121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 10020020121210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13243091620032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10020020121210 is a wasteful number, since it uses less digits than its factorization.
10020020121210 is an evil number, because the sum of its binary digits is even.
The spelling of 10020020121210 in words is "ten trillion, twenty billion, twenty million, one hundred twenty-one thousand, two hundred ten".