112120312121 has 8 divisors (see below), whose sum is σ = 118093510080. Its totient is φ = 106154327088.

The previous prime is 112120312097. The next prime is 112120312123. The reversal of 112120312121 is 121213021211.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 112120312121 - 2¹⁰ = 112120311097 is a prime.

It is a super-2 number, since 2×112120312121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112120312121.

It is not an unprimeable number, because it can be changed into a prime (112120312123) 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 in 7 ways as a sum of consecutive naturals, for example, 1771301 + ... + 1833506.

It is an arithmetic number, because the mean of its divisors is an integer number (14761688760).

Almost surely, 2^112120312121 is an apocalyptic number.

It is an amenable number.

112120312121 is a deficient number, since it is larger than the sum of its proper divisors (5973197959).

112120312121 is a wasteful number, since it uses less digits than its factorization.

112120312121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3606463.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 112120312121 its reverse (121213021211), we get a palindrome (233333333332).

The spelling of 112120312121 in words is "one hundred twelve billion, one hundred twenty million, three hundred twelve thousand, one hundred twenty-one".