20111200110200 has 48 divisors (see below), whose sum is σ = 46844970342360. Its totient is φ = 8029610352000.

The previous prime is 20111200110191. The next prime is 20111200110229. The reversal of 20111200110200 is 201100211102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92827106 + ... + 93043505.

Almost surely, 2^{20111200110200} is an apocalyptic number.

20111200110200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20111200110200 is an abundant number, since it is smaller than the sum of its proper divisors (26733770232160).

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

20111200110200 is a wasteful number, since it uses less digits than its factorization.

20111200110200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185871168 (or 185871159 counting only the distinct ones).

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

Adding to 20111200110200 its reverse (201100211102), we get a palindrome (20312300321302).

The spelling of 20111200110200 in words is "twenty trillion, one hundred eleven billion, two hundred million, one hundred ten thousand, two hundred".