200111110122 has 64 divisors (see below), whose sum is σ = 507158396928. Its totient is φ = 51124824000.

The previous prime is 200111110109. The next prime is 200111110181. The reversal of 200111110122 is 221011111002.

It is a junction number, because it is equal to n+sod(n) for n = 200111110098 and 200111110107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3522154 + ... + 3578517.

It is an arithmetic number, because the mean of its divisors is an integer number (7924349952).

Almost surely, 2^200111110122 is an apocalyptic number.

200111110122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

200111110122 is an abundant number, since it is smaller than the sum of its proper divisors (307047286806).

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

200111110122 is a wasteful number, since it uses less digits than its factorization.

200111110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7100755.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 200111110122 its reverse (221011111002), we get a palindrome (421122221124).

The spelling of 200111110122 in words is "two hundred billion, one hundred eleven million, one hundred ten thousand, one hundred twenty-two".