121110112 has 12 divisors (see below), whose sum is σ = 238435596. Its totient is φ = 60555040.

The previous prime is 121110109. The next prime is 121110113. The reversal of 121110112 is 211011121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121110113) by changing a digit.

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 as a sum of consecutive naturals, namely, 1892314 + ... + 1892377.

It is an arithmetic number, because the mean of its divisors is an integer number (19869633).

Almost surely, 2^121110112 is an apocalyptic number.

It is an amenable number.

121110112 is a deficient number, since it is larger than the sum of its proper divisors (117325484).

121110112 is an equidigital number, since it uses as much as digits as its factorization.

121110112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3784701 (or 3784693 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 121110112 is about 11005.0039527480. The cubic root of 121110112 is about 494.7587328809.

Adding to 121110112 its reverse (211011121), we get a palindrome (332121233).

The spelling of 121110112 in words is "one hundred twenty-one million, one hundred ten thousand, one hundred twelve".