113113041343121 has 4 divisors (see below), whose sum is σ = 113403820370100. Its totient is φ = 112822262316144.

The previous prime is 113113041343109. The next prime is 113113041343129. The reversal of 113113041343121 is 121343140311311.

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 19668648454225 + 93444392888896 = 4434935^2 + 9666664^2 .

It is a cyclic number.

It is not a de Polignac number, because 113113041343121 - 2²² = 113113037148817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113113041343129) 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, 145389512906 + ... + 145389513683.

It is an arithmetic number, because the mean of its divisors is an integer number (28350955092525).

Almost surely, 2^{113113041343121} is an apocalyptic number.

It is an amenable number.

113113041343121 is a deficient number, since it is larger than the sum of its proper divisors (290779026979).

113113041343121 is an equidigital number, since it uses as much as digits as its factorization.

113113041343121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290779026978.

The product of its (nonzero) digits is 2592, while the sum is 29.

Adding to 113113041343121 its reverse (121343140311311), we get a palindrome (234456181654432).

The spelling of 113113041343121 in words is "one hundred thirteen trillion, one hundred thirteen billion, forty-one million, three hundred forty-three thousand, one hundred twenty-one".