121112133 has 8 divisors (see below), whose sum is σ = 166692096. Its totient is φ = 78136800.

The previous prime is 121112129. The next prime is 121112171. The reversal of 121112133 is 331211121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121112133 - 2² = 121112129 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121112113) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 651048 + ... + 651233.

It is an arithmetic number, because the mean of its divisors is an integer number (20836512).

Almost surely, 2^121112133 is an apocalyptic number.

It is an amenable number.

121112133 is a deficient number, since it is larger than the sum of its proper divisors (45579963).

121112133 is a wasteful number, since it uses less digits than its factorization.

121112133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302315.

The product of its digits is 36, while the sum is 15.

The square root of 121112133 is about 11005.0957742311. The cubic root of 121112133 is about 494.7614849270.

Adding to 121112133 its reverse (331211121), we get a palindrome (452323254).

It can be divided in two parts, 1211121 and 33, that multiplied together give a palindrome (39966993).

The spelling of 121112133 in words is "one hundred twenty-one million, one hundred twelve thousand, one hundred thirty-three".