Adding to 1121202202 its reverse (2022021211), we get a palindrome (3143223413).
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
Almost surely, 21121202202 is an apocalyptic number.
1121202202 is a wasteful number, since it uses less digits than its factorization.
1121202202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11927732.
The square root of 1121202202 is about 33484.3575718573. The cubic root of 1121202202 is about 1038.8702605247.
The spelling of 1121202202 in words is "one billion, one hundred twenty-one million, two hundred two thousand, two hundred two".