111200201212120 has 64 divisors (see below), whose sum is σ = 250452772908480. Its totient is φ = 44435241616896.

The previous prime is 111200201212039. The next prime is 111200201212129. The reversal of 111200201212120 is 21212102002111.

It is a junction number, because it is equal to n+sod(n) for n = 111200201212094 and 111200201212103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111200201212129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198591582 + ... + 199150738.

It is an arithmetic number, because the mean of its divisors is an integer number (3913324576695).

Almost surely, 2^{111200201212120} is an apocalyptic number.

111200201212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111200201212120 is an abundant number, since it is smaller than the sum of its proper divisors (139252571696360).

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

111200201212120 is a wasteful number, since it uses less digits than its factorization.

111200201212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564172 (or 564168 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111200201212120 its reverse (21212102002111), we get a palindrome (132412303214231).

The spelling of 111200201212120 in words is "one hundred eleven trillion, two hundred billion, two hundred one million, two hundred twelve thousand, one hundred twenty".