112220200121021 has 16 divisors (see below), whose sum is σ = 125766168615360. Its totient is φ = 99507298141440.

The previous prime is 112220200120999. The next prime is 112220200121041. The reversal of 112220200121021 is 120121002022211.

It is a cyclic number.

It is not a de Polignac number, because 112220200121021 - 2⁶ = 112220200120957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112220200121041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 959695571 + ... + 959812496.

It is an arithmetic number, because the mean of its divisors is an integer number (7860385538460).

Almost surely, 2^{112220200121021} is an apocalyptic number.

It is an amenable number.

112220200121021 is a deficient number, since it is larger than the sum of its proper divisors (13545968494339).

112220200121021 is a wasteful number, since it uses less digits than its factorization.

112220200121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919508284.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 112220200121021 its reverse (120121002022211), we get a palindrome (232341202143232).

The spelling of 112220200121021 in words is "one hundred twelve trillion, two hundred twenty billion, two hundred million, one hundred twenty-one thousand, twenty-one".