112100221220021 has 8 divisors (see below), whose sum is σ = 118050001039200. Its totient is φ = 106155418218480.

The previous prime is 112100221220011. The next prime is 112100221220033. The reversal of 112100221220021 is 120022122001211.

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 112100221220021 - 2⁴⁶ = 41731477042357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112100221220011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1244158166 + ... + 1244248263.

It is an arithmetic number, because the mean of its divisors is an integer number (14756250129900).

Almost surely, 2^{112100221220021} is an apocalyptic number.

It is an amenable number.

112100221220021 is a deficient number, since it is larger than the sum of its proper divisors (5949779819179).

112100221220021 is a wasteful number, since it uses less digits than its factorization.

112100221220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488408819.

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

Adding to 112100221220021 its reverse (120022122001211), we get a palindrome (232122343221232).

The spelling of 112100221220021 in words is "one hundred twelve trillion, one hundred billion, two hundred twenty-one million, two hundred twenty thousand, twenty-one".