200020211111 has 32 divisors (see below), whose sum is σ = 238671360000. Its totient is φ = 164005091712.

The previous prime is 200020211077. The next prime is 200020211173. The reversal of 200020211111 is 111112020002.

It is a de Polignac number, because none of the positive numbers 2^k-200020211111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200020211092 and 200020211101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200020211411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9644525 + ... + 9665241.

It is an arithmetic number, because the mean of its divisors is an integer number (7458480000).

Almost surely, 2^200020211111 is an apocalyptic number.

200020211111 is a deficient number, since it is larger than the sum of its proper divisors (38651148889).

200020211111 is a wasteful number, since it uses less digits than its factorization.

200020211111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21191.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 200020211111 its reverse (111112020002), we get a palindrome (311132231113).

The spelling of 200020211111 in words is "two hundred billion, twenty million, two hundred eleven thousand, one hundred eleven".