4113133121 has 4 divisors (see below), whose sum is σ = 4127171412. Its totient is φ = 4099094832.

The previous prime is 4113133061. The next prime is 4113133159. The reversal of 4113133121 is 1213313114.

4113133121 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 3415116721 + 698016400 = 58439^2 + 26420^2 .

It is a cyclic number.

It is not a de Polignac number, because 4113133121 - 2¹⁰ = 4113132097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4113133093 and 4113133102.

It is not an unprimeable number, because it can be changed into a prime (4113133181) 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, 7018706 + ... + 7019291.

It is an arithmetic number, because the mean of its divisors is an integer number (1031792853).

Almost surely, 2^4113133121 is an apocalyptic number.

It is an amenable number.

4113133121 is a deficient number, since it is larger than the sum of its proper divisors (14038291).

4113133121 is a wasteful number, since it uses less digits than its factorization.

4113133121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14038290.

The product of its digits is 216, while the sum is 20.

The square root of 4113133121 is about 64133.7128271863. The cubic root of 4113133121 is about 1602.2277718360.

Adding to 4113133121 its reverse (1213313114), we get a palindrome (5326446235).

The spelling of 4113133121 in words is "four billion, one hundred thirteen million, one hundred thirty-three thousand, one hundred twenty-one".