113041444021 has 4 divisors (see below), whose sum is σ = 123317938944. Its totient is φ = 102764949100.

The previous prime is 113041444001. The next prime is 113041444027. The reversal of 113041444021 is 120444140311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 120444140311 = 11 ⋅10949467301.

It is not a de Polignac number, because 113041444021 - 2⁵ = 113041443989 is a prime.

It is a super-3 number, since 3×113041444021³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113041444027) 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, 5138247445 + ... + 5138247466.

It is an arithmetic number, because the mean of its divisors is an integer number (30829484736).

Almost surely, 2^113041444021 is an apocalyptic number.

113041444021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113041444021 is a deficient number, since it is larger than the sum of its proper divisors (10276494923).

113041444021 is a wasteful number, since it uses less digits than its factorization.

113041444021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10276494922.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 113041444021 its reverse (120444140311), we get a palindrome (233485584332).

The spelling of 113041444021 in words is "one hundred thirteen billion, forty-one million, four hundred forty-four thousand, twenty-one".