1112021220202 has 8 divisors (see below), whose sum is σ = 1682793174276. Its totient is φ = 551090162112.

The previous prime is 1112021220173. The next prime is 1112021220203. The reversal of 1112021220202 is 2020221202111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1102875932041 + 9145288161 = 1050179^2 + 95631^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1112021220203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2460223713 + ... + 2460224164.

Almost surely, 2^{1112021220202} is an apocalyptic number.

1112021220202 is a deficient number, since it is larger than the sum of its proper divisors (570771954074).

1112021220202 is a wasteful number, since it uses less digits than its factorization.

1112021220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4920447992.

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

Adding to 1112021220202 its reverse (2020221202111), we get a palindrome (3132242422313).

The spelling of 1112021220202 in words is "one trillion, one hundred twelve billion, twenty-one million, two hundred twenty thousand, two hundred two".