21433110041 has 24 divisors (see below), whose sum is σ = 25269641280. Its totient is φ = 18124096032.

The previous prime is 21433109989. The next prime is 21433110067. The reversal of 21433110041 is 14001133412.

It is not a de Polignac number, because 21433110041 - 2⁶ = 21433109977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21433109995 and 21433110022.

It is not an unprimeable number, because it can be changed into a prime (21433110241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1349750 + ... + 1365536.

It is an arithmetic number, because the mean of its divisors is an integer number (1052901720).

Almost surely, 2^21433110041 is an apocalyptic number.

It is an amenable number.

21433110041 is a deficient number, since it is larger than the sum of its proper divisors (3836531239).

21433110041 is a wasteful number, since it uses less digits than its factorization.

21433110041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16173 (or 16166 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21433110041 its reverse (14001133412), we get a palindrome (35434243453).

The spelling of 21433110041 in words is "twenty-one billion, four hundred thirty-three million, one hundred ten thousand, forty-one".