21033141124 has 12 divisors (see below), whose sum is σ = 36811897948. Its totient is φ = 10515456000.

The previous prime is 21033141119. The next prime is 21033141139. The reversal of 21033141124 is 42114133012.

It can be written as a sum of positive squares in 2 ways, for example, as 19647068224 + 1386072900 = 140168^2 + 37230^2 .

It is a junction number, because it is equal to n+sod(n) for n = 21033141095 and 21033141104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235437 + ... + 312244.

Almost surely, 2^21033141124 is an apocalyptic number.

It is an amenable number.

21033141124 is a deficient number, since it is larger than the sum of its proper divisors (15778756824).

21033141124 is a wasteful number, since it uses less digits than its factorization.

21033141124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557286 (or 557284 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 21033141124 its reverse (42114133012), we get a palindrome (63147274136).

The spelling of 21033141124 in words is "twenty-one billion, thirty-three million, one hundred forty-one thousand, one hundred twenty-four".