200021000110011 has 12 divisors (see below), whose sum is σ = 289493614479888. Its totient is φ = 133082229361104.

The previous prime is 200021000109991. The next prime is 200021000110073. The reversal of 200021000110011 is 110011000120002.

It is a happy number.

It is not a de Polignac number, because 200021000110011 - 2¹⁰ = 200021000108987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 200021000109975 and 200021000110002.

It is not an unprimeable number, because it can be changed into a prime (200021000110111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22091999020 + ... + 22092008073.

It is an arithmetic number, because the mean of its divisors is an integer number (24124467873324).

Almost surely, 2^{200021000110011} is an apocalyptic number.

200021000110011 is a deficient number, since it is larger than the sum of its proper divisors (89472614369877).

200021000110011 is a wasteful number, since it uses less digits than its factorization.

200021000110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44184007602 (or 44184007599 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 200021000110011 its reverse (110011000120002), we get a palindrome (310032000230013).

Subtracting from 200021000110011 its reverse (110011000120002), we obtain a palindrome (90009999990009).

The spelling of 200021000110011 in words is "two hundred trillion, twenty-one billion, one hundred ten thousand, eleven".