4121232113 has 4 divisors (see below), whose sum is σ = 4163719140. Its totient is φ = 4078745088.

The previous prime is 4121232077. The next prime is 4121232119. The reversal of 4121232113 is 3112321214.

4121232113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1318270864 + 2802961249 = 36308^2 + 52943^2 .

It is a cyclic number.

It is not a de Polignac number, because 4121232113 - 2²⁰ = 4120183537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4121232119) 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, 21243368 + ... + 21243561.

It is an arithmetic number, because the mean of its divisors is an integer number (1040929785).

Almost surely, 2^4121232113 is an apocalyptic number.

It is an amenable number.

4121232113 is a deficient number, since it is larger than the sum of its proper divisors (42487027).

4121232113 is an equidigital number, since it uses as much as digits as its factorization.

4121232113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42487026.

The product of its digits is 288, while the sum is 20.

The square root of 4121232113 is about 64196.8232313718. The cubic root of 4121232113 is about 1603.2787080867.

Adding to 4121232113 its reverse (3112321214), we get a palindrome (7233553327).

The spelling of 4121232113 in words is "four billion, one hundred twenty-one million, two hundred thirty-two thousand, one hundred thirteen".