21041143020208 has 40 divisors (see below), whose sum is σ = 41090614335936. Its totient is φ = 10437161217600.

The previous prime is 21041143020137. The next prime is 21041143020211. The reversal of 21041143020208 is 80202034114012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5576635 + ... + 8554597.

Almost surely, 2^{21041143020208} is an apocalyptic number.

It is an amenable number.

21041143020208 is a deficient number, since it is larger than the sum of its proper divisors (20049471315728).

21041143020208 is a wasteful number, since it uses less digits than its factorization.

21041143020208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2981473 (or 2981467 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The spelling of 21041143020208 in words is "twenty-one trillion, forty-one billion, one hundred forty-three million, twenty thousand, two hundred eight".