200111111116 has 48 divisors (see below), whose sum is σ = 418305291264. Its totient is φ = 81899142336.

The previous prime is 200111111113. The next prime is 200111111129. The reversal of 200111111116 is 611111111002.

It is a self number, because there is not a number n which added to its sum of digits gives 200111111116.

It is not an unprimeable number, because it can be changed into a prime (200111111113) 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, 141321 + ... + 648223.

It is an arithmetic number, because the mean of its divisors is an integer number (8714693568).

Almost surely, 2^200111111116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200111111116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209152645632).

200111111116 is an abundant number, since it is smaller than the sum of its proper divisors (218194180148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200111111116 is a wasteful number, since it uses less digits than its factorization.

200111111116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507550 (or 507548 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 16.

Adding to 200111111116 its reverse (611111111002), we get a palindrome (811222222118).

The spelling of 200111111116 in words is "two hundred billion, one hundred eleven million, one hundred eleven thousand, one hundred sixteen".