21201841936033 has 16 divisors (see below), whose sum is σ = 23139513593856. Its totient is φ = 19265876882640.

The previous prime is 21201841935983. The next prime is 21201841936049. The reversal of 21201841936033 is 33063914810212.

It is a cyclic number.

It is not a de Polignac number, because 21201841936033 - 2²⁵ = 21201808381601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21201841936063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405618766 + ... + 405671032.

It is an arithmetic number, because the mean of its divisors is an integer number (1446219599616).

Almost surely, 2^{21201841936033} is an apocalyptic number.

It is an amenable number.

21201841936033 is a deficient number, since it is larger than the sum of its proper divisors (1937671657823).

21201841936033 is a wasteful number, since it uses less digits than its factorization.

21201841936033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67884.

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 21201841936033 in words is "twenty-one trillion, two hundred one billion, eight hundred forty-one million, nine hundred thirty-six thousand, thirty-three".