112122220112021 has 8 divisors (see below), whose sum is σ = 128140453841664. Its totient is φ = 96104179810800.

The previous prime is 112122220112003. The next prime is 112122220112029. The reversal of 112122220112021 is 120211022221211.

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

It is a de Polignac number, because none of the positive numbers 2^k-112122220112021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 112122220111984 and 112122220112002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112122220112029) 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, 47112845 + ... + 49435458.

It is an arithmetic number, because the mean of its divisors is an integer number (16017556730208).

Almost surely, 2^{112122220112021} is an apocalyptic number.

It is an amenable number.

112122220112021 is a deficient number, since it is larger than the sum of its proper divisors (16018233729643).

112122220112021 is an equidigital number, since it uses as much as digits as its factorization.

112122220112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96714211.

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

Adding to 112122220112021 its reverse (120211022221211), we get a palindrome (232333242333232).

The spelling of 112122220112021 in words is "one hundred twelve trillion, one hundred twenty-two billion, two hundred twenty million, one hundred twelve thousand, twenty-one".