113112101031011 has 4 divisors (see below), whose sum is σ = 113116596231672. Its totient is φ = 113107605830352.

The previous prime is 113112101031001. The next prime is 113112101031029. The reversal of 113112101031011 is 110130101211311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113112101031011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113112101031001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2247562586 + ... + 2247612911.

It is an arithmetic number, because the mean of its divisors is an integer number (28279149057918).

Almost surely, 2^{113112101031011} is an apocalyptic number.

113112101031011 is a deficient number, since it is larger than the sum of its proper divisors (4495200661).

113112101031011 is an equidigital number, since it uses as much as digits as its factorization.

113112101031011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4495200660.

The product of its (nonzero) digits is 18, while the sum is 17.

Adding to 113112101031011 its reverse (110130101211311), we get a palindrome (223242202242322).

The spelling of 113112101031011 in words is "one hundred thirteen trillion, one hundred twelve billion, one hundred one million, thirty-one thousand, eleven".