202112040113 has 8 divisors (see below), whose sum is σ = 205438494696. Its totient is φ = 198786009600.

The previous prime is 202112040077. The next prime is 202112040139. The reversal of 202112040113 is 311040211202.

It can be written as a sum of positive squares in 4 ways, for example, as 17157856144 + 184954183969 = 130988^2 + 430063^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202112040113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202112040091 and 202112040100.

It is not an unprimeable number, because it can be changed into a prime (202112048113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 939083 + ... + 1134063.

It is an arithmetic number, because the mean of its divisors is an integer number (25679811837).

Almost surely, 2^202112040113 is an apocalyptic number.

It is an amenable number.

202112040113 is a deficient number, since it is larger than the sum of its proper divisors (3326454583).

202112040113 is a wasteful number, since it uses less digits than its factorization.

202112040113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212035.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 202112040113 its reverse (311040211202), we get a palindrome (513152251315).

The spelling of 202112040113 in words is "two hundred two billion, one hundred twelve million, forty thousand, one hundred thirteen".