200112221111111 has 16 divisors (see below), whose sum is σ = 221125428909504. Its totient is φ = 180128081785344.

The previous prime is 200112221111087. The next prime is 200112221111123. The reversal of 200112221111111 is 111111122211002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200112221111111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200112221111111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200112221111911) 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, 31301180 + ... + 37148193.

It is an arithmetic number, because the mean of its divisors is an integer number (13820339306844).

Almost surely, 2^{200112221111111} is an apocalyptic number.

200112221111111 is a deficient number, since it is larger than the sum of its proper divisors (21013207798393).

200112221111111 is a wasteful number, since it uses less digits than its factorization.

200112221111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68456890.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 200112221111111 its reverse (111111122211002), we get a palindrome (311223343322113).

The spelling of 200112221111111 in words is "two hundred trillion, one hundred twelve billion, two hundred twenty-one million, one hundred eleven thousand, one hundred eleven".