112022212201221 has 32 divisors (see below), whose sum is σ = 170741622078720. Its totient is φ = 63997279082496.

The previous prime is 112022212201217. The next prime is 112022212201223. The reversal of 112022212201221 is 122102212220211.

It is not a de Polignac number, because 112022212201221 - 2² = 112022212201217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112022212201223) 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, 1746031675 + ... + 1746095831.

It is an arithmetic number, because the mean of its divisors is an integer number (5335675689960).

Almost surely, 2^{112022212201221} is an apocalyptic number.

It is an amenable number.

112022212201221 is a deficient number, since it is larger than the sum of its proper divisors (58719409877499).

112022212201221 is a wasteful number, since it uses less digits than its factorization.

112022212201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82893.

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

Adding to 112022212201221 its reverse (122102212220211), we get a palindrome (234124424421432).

The spelling of 112022212201221 in words is "one hundred twelve trillion, twenty-two billion, two hundred twelve million, two hundred one thousand, two hundred twenty-one".