112112122122121 has 8 divisors (see below), whose sum is σ = 124026726650688. Its totient is φ = 100484616498000.

The previous prime is 112112122122101. The next prime is 112112122122127. The reversal of 112112122122121 is 121221221211211.

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 112112122122121 - 2²³ = 112112113733513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112112122122092 and 112112122122101.

It is not an unprimeable number, because it can be changed into a prime (112112122122127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71774725290 + ... + 71774726851.

It is an arithmetic number, because the mean of its divisors is an integer number (15503340831336).

Almost surely, 2^{112112122122121} is an apocalyptic number.

112112122122121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112112122122121 is a deficient number, since it is larger than the sum of its proper divisors (11914604528567).

112112122122121 is a wasteful number, since it uses less digits than its factorization.

112112122122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143549452223.

The product of its digits is 128, while the sum is 22.

Adding to 112112122122121 its reverse (121221221211211), we get a palindrome (233333343333332).

The spelling of 112112122122121 in words is "one hundred twelve trillion, one hundred twelve billion, one hundred twenty-two million, one hundred twenty-two thousand, one hundred twenty-one".