Adding to 10202121111010 its reverse (1011112120201), we get a palindrome (11213233231211).
It is a happy number.
10202121111010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
Almost surely, 210202121111010 is an apocalyptic number.
10202121111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
10202121111010 is a wasteful number, since it uses less digits than its factorization.
10202121111010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2275206.
The spelling of 10202121111010 in words is "ten trillion, two hundred two billion, one hundred twenty-one million, one hundred eleven thousand, ten".