112320142121 has 32 divisors (see below), whose sum is σ = 131390899200. Its totient is φ = 95010048000.

The previous prime is 112320142091. The next prime is 112320142223. The reversal of 112320142121 is 121241023211.

It is a cyclic number.

It is not a de Polignac number, because 112320142121 - 2⁶ = 112320142057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112320142093 and 112320142102.

It is not an unprimeable number, because it can be changed into a prime (112320142421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2359685 + ... + 2406813.

It is an arithmetic number, because the mean of its divisors is an integer number (4105965600).

Almost surely, 2^112320142121 is an apocalyptic number.

112320142121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112320142121 is a deficient number, since it is larger than the sum of its proper divisors (19070757079).

112320142121 is a wasteful number, since it uses less digits than its factorization.

112320142121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47441.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 112320142121 its reverse (121241023211), we get a palindrome (233561165332).

The spelling of 112320142121 in words is "one hundred twelve billion, three hundred twenty million, one hundred forty-two thousand, one hundred twenty-one".