10000121043 has 32 divisors (see below), whose sum is σ = 14808096000. Its totient is φ = 5951542400.

The previous prime is 10000121039. The next prime is 10000121077. The reversal of 10000121043 is 34012100001.

It is a happy number.

10000121043 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 10000121043 - 2² = 10000121039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10000129043) 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, 2297233 + ... + 2301581.

It is an arithmetic number, because the mean of its divisors is an integer number (462753000).

Almost surely, 2^10000121043 is an apocalyptic number.

10000121043 is a deficient number, since it is larger than the sum of its proper divisors (4807974957).

10000121043 is a wasteful number, since it uses less digits than its factorization.

10000121043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5603.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 10000121043 its reverse (34012100001), we get a palindrome (44012221044).

The spelling of 10000121043 in words is "ten billion, one hundred twenty-one thousand, forty-three".