113203111012 has 12 divisors (see below), whose sum is σ = 198693296620. Its totient is φ = 56433597696.

The previous prime is 113203111009. The next prime is 113203111111. The reversal of 113203111012 is 210111302311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 50870998116 + 62332112896 = 225546^2 + 249664^2 .

It is an unprimeable number.

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, 41987937 + ... + 41990632.

Almost surely, 2^113203111012 is an apocalyptic number.

It is an amenable number.

113203111012 is a deficient number, since it is larger than the sum of its proper divisors (85490185608).

113203111012 is a wasteful number, since it uses less digits than its factorization.

113203111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83978910 (or 83978908 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 113203111012 its reverse (210111302311), we get a palindrome (323314413323).

The spelling of 113203111012 in words is "one hundred thirteen billion, two hundred three million, one hundred eleven thousand, twelve".