200021110011 has 12 divisors (see below), whose sum is σ = 289065399480. Its totient is φ = 133280013600.

The previous prime is 200021109997. The next prime is 200021110031. The reversal of 200021110011 is 110011120002.

It is a happy number.

It is not a de Polignac number, because 200021110011 - 2¹⁴ = 200021093627 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 = 200021109975 and 200021110002.

It is not an unprimeable number, because it can be changed into a prime (200021110031) 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, 5597290 + ... + 5632911.

It is an arithmetic number, because the mean of its divisors is an integer number (24088783290).

Almost surely, 2^200021110011 is an apocalyptic number.

200021110011 is a deficient number, since it is larger than the sum of its proper divisors (89044289469).

200021110011 is a wasteful number, since it uses less digits than its factorization.

200021110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11232186 (or 11232183 counting only the distinct ones).

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

Adding to 200021110011 its reverse (110011120002), we get a palindrome (310032230013).

Subtracting from 200021110011 its reverse (110011120002), we obtain a palindrome (90009990009).

The spelling of 200021110011 in words is "two hundred billion, twenty-one million, one hundred ten thousand, eleven".