200001020110021 has 16 divisors (see below), whose sum is σ = 215491219115200. Its totient is φ = 184525913645568.

The previous prime is 200001020109971. The next prime is 200001020110037. The reversal of 200001020110021 is 120011020100002.

200001020110021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 200001020110021 - 2²⁷ = 200000885892293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200001020110421) 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, 237657430 + ... + 238497496.

It is an arithmetic number, because the mean of its divisors is an integer number (13468201194700).

Almost surely, 2^{200001020110021} is an apocalyptic number.

It is an amenable number.

200001020110021 is a deficient number, since it is larger than the sum of its proper divisors (15490199005179).

200001020110021 is a wasteful number, since it uses less digits than its factorization.

200001020110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849028.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 200001020110021 its reverse (120011020100002), we get a palindrome (320012040210023).

The spelling of 200001020110021 in words is "two hundred trillion, one billion, twenty million, one hundred ten thousand, twenty-one".