121000111200112 has 20 divisors (see below), whose sum is σ = 242000222401216. Its totient is φ = 58548440903040.

The previous prime is 121000111200109. The next prime is 121000111200121. The reversal of 121000111200112 is 211002111000121.

It is a happy number.

121000111200112 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 121000111200092 and 121000111200101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121975918053 + ... + 121975919044.

Almost surely, 2^{121000111200112} is an apocalyptic number.

It is an amenable number.

121000111200112 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121000111200112 is a wasteful number, since it uses less digits than its factorization.

121000111200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243951837136 (or 243951837130 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121000111200112 its reverse (211002111000121), we get a palindrome (332002222200233).

The spelling of 121000111200112 in words is "one hundred twenty-one trillion, one hundred eleven million, two hundred thousand, one hundred twelve".