112120002200021 has 4 divisors (see below), whose sum is σ = 112120072740000. Its totient is φ = 112119931660044.

The previous prime is 112120002199999. The next prime is 112120002200039. The reversal of 112120002200021 is 120002200021211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112120002200021 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 = 112120002199969 and 112120002200005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112120002203021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32829521 + ... + 36083478.

It is an arithmetic number, because the mean of its divisors is an integer number (28030018185000).

Almost surely, 2^{112120002200021} is an apocalyptic number.

It is an amenable number.

112120002200021 is a deficient number, since it is larger than the sum of its proper divisors (70539979).

112120002200021 is an equidigital number, since it uses as much as digits as its factorization.

112120002200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70539978.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 112120002200021 its reverse (120002200021211), we get a palindrome (232122202221232).

The spelling of 112120002200021 in words is "one hundred twelve trillion, one hundred twenty billion, two million, two hundred thousand, twenty-one".