2121043041 has 12 divisors (see below), whose sum is σ = 3299400468. Its totient is φ = 1305257184.

The previous prime is 2121043027. The next prime is 2121043061. The reversal of 2121043041 is 1403401212.

2121043041 is a `hidden beast` number, since 21 + 210 + 430 + 4 + 1 = 666.

2121043041 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 194184225 + 1926858816 = 13935^2 + 43896^2 .

It is not a de Polignac number, because 2121043041 - 2⁵ = 2121043009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2121043061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9064170 + ... + 9064403.

It is an arithmetic number, because the mean of its divisors is an integer number (274950039).

Almost surely, 2^2121043041 is an apocalyptic number.

It is an amenable number.

2121043041 is a deficient number, since it is larger than the sum of its proper divisors (1178357427).

2121043041 is a wasteful number, since it uses less digits than its factorization.

2121043041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18128592 (or 18128589 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2121043041 is about 46054.7830415040. The cubic root of 2121043041 is about 1284.8423029642.

Adding to 2121043041 its reverse (1403401212), we get a palindrome (3524444253).

The spelling of 2121043041 in words is "two billion, one hundred twenty-one million, forty-three thousand, forty-one".