21041143020198 has 48 divisors (see below), whose sum is σ = 54367177003776. Its totient is φ = 5750374489200.

The previous prime is 21041143020137. The next prime is 21041143020211. The reversal of 21041143020198 is 89102034114012.

21041143020198 is a `hidden beast` number, since 2 + 1 + 0 + 4 + 11 + 430 + 20 + 198 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3630284028 + ... + 3630289823.

It is an arithmetic number, because the mean of its divisors is an integer number (1132649520912).

Almost surely, 2^{21041143020198} is an apocalyptic number.

21041143020198 is an abundant number, since it is smaller than the sum of its proper divisors (33326033983578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21041143020198 is a wasteful number, since it uses less digits than its factorization.

21041143020198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7260573889 (or 7260573886 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 21041143020198 in words is "twenty-one trillion, forty-one billion, one hundred forty-three million, twenty thousand, one hundred ninety-eight".