112210120220221 has 4 divisors (see below), whose sum is σ = 112210149160192. Its totient is φ = 112210091280252.

The previous prime is 112210120220201. The next prime is 112210120220239. The reversal of 112210120220221 is 122022021012211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112210120220221 - 2¹⁷ = 112210120089149 is a prime.

It is a super-2 number, since 2×112210120220221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112210120220201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7551261 + ... + 16776226.

It is an arithmetic number, because the mean of its divisors is an integer number (28052537290048).

Almost surely, 2^{112210120220221} is an apocalyptic number.

It is an amenable number.

112210120220221 is a deficient number, since it is larger than the sum of its proper divisors (28939971).

112210120220221 is an equidigital number, since it uses as much as digits as its factorization.

112210120220221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28939970.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 112210120220221 its reverse (122022021012211), we get a palindrome (234232141232432).

The spelling of 112210120220221 in words is "one hundred twelve trillion, two hundred ten billion, one hundred twenty million, two hundred twenty thousand, two hundred twenty-one".