Adding to 12122102210 its reverse (1220122121), we get a palindrome (13342224331).
It is an unprimeable number.
Almost surely, 212122102210 is an apocalyptic number.
12122102210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12122102210 is a wasteful number, since it uses less digits than its factorization.
12122102210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2429785.
The spelling of 12122102210 in words is "twelve billion, one hundred twenty-two million, one hundred two thousand, two hundred ten".