10421131121043 has 16 divisors (see below), whose sum is σ = 13991805133440. Its totient is φ = 6899010387264.

The previous prime is 10421131121033. The next prime is 10421131121047. The reversal of 10421131121043 is 34012113112401.

It is not a de Polignac number, because 10421131121043 - 2²¹ = 10421129023891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10421131121047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8348353 + ... + 9515106.

It is an arithmetic number, because the mean of its divisors is an integer number (874487820840).

Almost surely, 2^{10421131121043} is an apocalyptic number.

10421131121043 is a deficient number, since it is larger than the sum of its proper divisors (3570674012397).

10421131121043 is a wasteful number, since it uses less digits than its factorization.

10421131121043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17864818.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 10421131121043 its reverse (34012113112401), we get a palindrome (44433244233444).

The spelling of 10421131121043 in words is "ten trillion, four hundred twenty-one billion, one hundred thirty-one million, one hundred twenty-one thousand, forty-three".