113112101 has 4 divisors (see below), whose sum is σ = 119765772. Its totient is φ = 106458432.

The previous prime is 113112061. The next prime is 113112199. The reversal of 113112101 is 101211311.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 104550625 + 8561476 = 10225^2 + 2926^2 .

It is a cyclic number.

It is not a de Polignac number, because 113112101 - 2⁶ = 113112037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113112401) 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, 3326810 + ... + 3326843.

It is an arithmetic number, because the mean of its divisors is an integer number (29941443).

Almost surely, 2^113112101 is an apocalyptic number.

It is an amenable number.

113112101 is a deficient number, since it is larger than the sum of its proper divisors (6653671).

113112101 is an equidigital number, since it uses as much as digits as its factorization.

113112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6653670.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 113112101 is about 10635.4172931766. The cubic root of 113112101 is about 483.6186307187.

Adding to 113112101 its reverse (101211311), we get a palindrome (214323412).

The spelling of 113112101 in words is "one hundred thirteen million, one hundred twelve thousand, one hundred one".