113121331241 has 4 divisors (see below), whose sum is σ = 115038642000. Its totient is φ = 111204020484.

The previous prime is 113121331229. The next prime is 113121331243. The reversal of 113121331241 is 142133121311.

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: 142133121311 = 223 ⋅637368257.

It is a cyclic number.

It is not a de Polignac number, because 113121331241 - 2¹⁴ = 113121314857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113121331243) 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, 958655291 + ... + 958655408.

It is an arithmetic number, because the mean of its divisors is an integer number (28759660500).

Almost surely, 2^113121331241 is an apocalyptic number.

It is an amenable number.

113121331241 is a deficient number, since it is larger than the sum of its proper divisors (1917310759).

113121331241 is an equidigital number, since it uses as much as digits as its factorization.

113121331241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917310758.

The product of its digits is 432, while the sum is 23.

Adding to 113121331241 its reverse (142133121311), we get a palindrome (255254452552).

The spelling of 113121331241 in words is "one hundred thirteen billion, one hundred twenty-one million, three hundred thirty-one thousand, two hundred forty-one".