It is a happy number.
It is an unprimeable number.
Almost surely, 22101021202 is an apocalyptic number.
2101021202 is a wasteful number, since it uses less digits than its factorization.
2101021202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 223673.
The square root of 2101021202 is about 45836.8978226058. The cubic root of 2101021202 is about 1280.7867075406.
Adding to 2101021202 its reverse (2021201012), we get a palindrome (4122222214).
The spelling of 2101021202 in words is "two billion, one hundred one million, twenty-one thousand, two hundred two".