10240343121 has 32 divisors (see below), whose sum is σ = 13949698048. Its totient is φ = 6680983680.

The previous prime is 10240343117. The next prime is 10240343161. The reversal of 10240343121 is 12134304201.

10240343121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10240343121 - 2² = 10240343117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10240343111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17933766 + ... + 17934336.

It is an arithmetic number, because the mean of its divisors is an integer number (435928064).

Almost surely, 2^10240343121 is an apocalyptic number.

It is an amenable number.

10240343121 is a deficient number, since it is larger than the sum of its proper divisors (3709354927).

10240343121 is a wasteful number, since it uses less digits than its factorization.

10240343121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 10240343121 its reverse (12134304201), we get a palindrome (22374647322).

The spelling of 10240343121 in words is "ten billion, two hundred forty million, three hundred forty-three thousand, one hundred twenty-one".