112202220021221 has 32 divisors (see below), whose sum is σ = 129084751208448. Its totient is φ = 96530248133440.

The previous prime is 112202220021181. The next prime is 112202220021301. The reversal of 112202220021221 is 122120022202211.

It is not a de Polignac number, because 112202220021221 - 2²⁶ = 112202152912357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112202220021193 and 112202220021202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112202220021421) 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, 18244940 + ... + 23606826.

It is an arithmetic number, because the mean of its divisors is an integer number (4033898475264).

Almost surely, 2^{112202220021221} is an apocalyptic number.

112202220021221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112202220021221 is a deficient number, since it is larger than the sum of its proper divisors (16882531187227).

112202220021221 is a wasteful number, since it uses less digits than its factorization.

112202220021221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5362801.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 112202220021221 its reverse (122120022202211), we get a palindrome (234322242223432).

The spelling of 112202220021221 in words is "one hundred twelve trillion, two hundred two billion, two hundred twenty million, twenty-one thousand, two hundred twenty-one".