121144112 has 20 divisors (see below), whose sum is σ = 235617360. Its totient is φ = 60339648.

The previous prime is 121144103. The next prime is 121144139. The reversal of 121144112 is 211441121.

It is a super-3 number, since 3×121144112³ (a number of 25 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10187 + ... + 18602.

It is an arithmetic number, because the mean of its divisors is an integer number (11780868).

Almost surely, 2^121144112 is an apocalyptic number.

It is an amenable number.

121144112 is a deficient number, since it is larger than the sum of its proper divisors (114473248).

121144112 is a wasteful number, since it uses less digits than its factorization.

121144112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29060 (or 29054 counting only the distinct ones).

The product of its digits is 64, while the sum is 17.

The square root of 121144112 is about 11006.5485961767. The cubic root of 121144112 is about 494.8050274546.

Adding to 121144112 its reverse (211441121), we get a palindrome (332585233).

The spelling of 121144112 in words is "one hundred twenty-one million, one hundred forty-four thousand, one hundred twelve".