112220221102221 has 4 divisors (see below), whose sum is σ = 149626961469632. Its totient is φ = 74813480734812.

The previous prime is 112220221102201. The next prime is 112220221102243. The reversal of 112220221102221 is 122201122022211.

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 not a de Polignac number, because 112220221102221 - 2¹¹ = 112220221100173 is a prime.

It is a super-2 number, since 2×112220221102221² (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 (112220221102201) 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, 18703370183701 + ... + 18703370183706.

It is an arithmetic number, because the mean of its divisors is an integer number (37406740367408).

Almost surely, 2^{112220221102221} is an apocalyptic number.

It is an amenable number.

112220221102221 is a deficient number, since it is larger than the sum of its proper divisors (37406740367411).

112220221102221 is an equidigital number, since it uses as much as digits as its factorization.

112220221102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37406740367410.

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

Adding to 112220221102221 its reverse (122201122022211), we get a palindrome (234421343124432).

The spelling of 112220221102221 in words is "one hundred twelve trillion, two hundred twenty billion, two hundred twenty-one million, one hundred two thousand, two hundred twenty-one".