112212220120221 has 32 divisors (see below), whose sum is σ = 163722250823040. Its totient is φ = 67945184169984.

The previous prime is 112212220120163. The next prime is 112212220120241. The reversal of 112212220120221 is 122021022212211.

It is not a de Polignac number, because 112212220120221 - 2⁹ = 112212220119709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112212220120241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45840756 + ... + 48226541.

It is an arithmetic number, because the mean of its divisors is an integer number (5116320338220).

Almost surely, 2^{112212220120221} is an apocalyptic number.

It is an amenable number.

112212220120221 is a deficient number, since it is larger than the sum of its proper divisors (51510030702819).

112212220120221 is a wasteful number, since it uses less digits than its factorization.

112212220120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94067805.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 112212220120221 its reverse (122021022212211), we get a palindrome (234233242332432).

The spelling of 112212220120221 in words is "one hundred twelve trillion, two hundred twelve billion, two hundred twenty million, one hundred twenty thousand, two hundred twenty-one".