1210112220202 has 16 divisors (see below), whose sum is σ = 1818678613032. Its totient is φ = 603886207680.

The previous prime is 1210112220199. The next prime is 1210112220203. The reversal of 1210112220202 is 2020222110121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1182266957041 + 27845263161 = 1087321^2 + 166869^2 .

It is not an unprimeable number, because it can be changed into a prime (1210112220203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14774988 + ... + 14856664.

Almost surely, 2^{1210112220202} is an apocalyptic number.

1210112220202 is a deficient number, since it is larger than the sum of its proper divisors (608566392830).

1210112220202 is a wasteful number, since it uses less digits than its factorization.

1210112220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95913.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1210112220202 its reverse (2020222110121), we get a palindrome (3230334330323).

The spelling of 1210112220202 in words is "one trillion, two hundred ten billion, one hundred twelve million, two hundred twenty thousand, two hundred two".