112120212212021 has 8 divisors (see below), whose sum is σ = 123313883153664. Its totient is φ = 101293546875120.

The previous prime is 112120212211957. The next prime is 112120212212033. The reversal of 112120212212021 is 120212212021211.

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 112120212212021 - 2⁶ = 112120212211957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112120212211984 and 112120212212002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112120212212221) 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, 91751400545 + ... + 91751401766.

It is an arithmetic number, because the mean of its divisors is an integer number (15414235394208).

Almost surely, 2^{112120212212021} is an apocalyptic number.

It is an amenable number.

112120212212021 is a deficient number, since it is larger than the sum of its proper divisors (11193670941643).

112120212212021 is a wasteful number, since it uses less digits than its factorization.

112120212212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183502802371.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 112120212212021 its reverse (120212212021211), we get a palindrome (232332424233232).

The spelling of 112120212212021 in words is "one hundred twelve trillion, one hundred twenty billion, two hundred twelve million, two hundred twelve thousand, twenty-one".