112220200021 has 4 divisors (see below), whose sum is σ = 112233710944. Its totient is φ = 112206689100.

The previous prime is 112220200007. The next prime is 112220200031. The reversal of 112220200021 is 120002022211.

It is a happy number.

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 not a de Polignac number, because 112220200021 - 2²¹ = 112218102869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112220199974 and 112220200010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112220200031) 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, 6742995 + ... + 6759616.

It is an arithmetic number, because the mean of its divisors is an integer number (28058427736).

Almost surely, 2^112220200021 is an apocalyptic number.

It is an amenable number.

112220200021 is a deficient number, since it is larger than the sum of its proper divisors (13510923).

112220200021 is an equidigital number, since it uses as much as digits as its factorization.

112220200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13510922.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 112220200021 its reverse (120002022211), we get a palindrome (232222222232).

The spelling of 112220200021 in words is "one hundred twelve billion, two hundred twenty million, two hundred thousand, twenty-one".