112222110222221 has 4 divisors (see below), whose sum is σ = 112223111396832. Its totient is φ = 112221109047612.

The previous prime is 112222110222217. The next prime is 112222110222223. The reversal of 112222110222221 is 122222011222211.

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 112222110222221 - 2² = 112222110222217 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 (112222110222223) 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, 500419151 + ... + 500643356.

It is an arithmetic number, because the mean of its divisors is an integer number (28055777849208).

Almost surely, 2^{112222110222221} is an apocalyptic number.

It is an amenable number.

112222110222221 is a deficient number, since it is larger than the sum of its proper divisors (1001174611).

112222110222221 is a wasteful number, since it uses less digits than its factorization.

112222110222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001174610.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 112222110222221 its reverse (122222011222211), we get a palindrome (234444121444432).

The spelling of 112222110222221 in words is "one hundred twelve trillion, two hundred twenty-two billion, one hundred ten million, two hundred twenty-two thousand, two hundred twenty-one".