112220212021221 has 24 divisors (see below), whose sum is σ = 153367974947392. Its totient is φ = 72987529305600.

The previous prime is 112220212021201. The next prime is 112220212021243. The reversal of 112220212021221 is 122120212022211.

It is not a de Polignac number, because 112220212021221 - 2¹¹ = 112220212019173 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 (112220212021201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 374328216 + ... + 374627886.

Almost surely, 2^{112220212021221} is an apocalyptic number.

It is an amenable number.

112220212021221 is a deficient number, since it is larger than the sum of its proper divisors (41147762926171).

112220212021221 is an equidigital number, since it uses as much as digits as its factorization.

112220212021221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374013 (or 373972 counting only the distinct ones).

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

Adding to 112220212021221 its reverse (122120212022211), we get a palindrome (234340424043432).

The spelling of 112220212021221 in words is "one hundred twelve trillion, two hundred twenty billion, two hundred twelve million, twenty-one thousand, two hundred twenty-one".