It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
Almost surely, 22121200002 is an apocalyptic number.
2121200002 is a wasteful number, since it uses less digits than its factorization.
2121200002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69104.
The square root of 2121200002 is about 46056.4870783693. The cubic root of 2121200002 is about 1284.8739957296.
Adding to 2121200002 its reverse (2000021212), we get a palindrome (4121221214).
The spelling of 2121200002 in words is "two billion, one hundred twenty-one million, two hundred thousand, two".