Adding to 121000011120213 its reverse (312021110000121), we get a palindrome (433021121120334).
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-121000011120213 is a prime.
It is a congruent number.
Almost surely, 2121000011120213 is an apocalyptic number.
It is an amenable number.
121000011120213 is an equidigital number, since it uses as much as digits as its factorization.
121000011120213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40333337040074.
The spelling of 121000011120213 in words is "one hundred twenty-one trillion, eleven million, one hundred twenty thousand, two hundred thirteen".