112212222211 has 4 divisors (see below), whose sum is σ = 112214201512. Its totient is φ = 112210242912.

The previous prime is 112212222179. The next prime is 112212222257. The reversal of 112212222211 is 112222212211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112212222211 - 2⁵ = 112212222179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112212222271) 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, 902025 + ... + 1018858.

It is an arithmetic number, because the mean of its divisors is an integer number (28053550378).

Almost surely, 2^112212222211 is an apocalyptic number.

112212222211 is a deficient number, since it is larger than the sum of its proper divisors (1979301).

112212222211 is an equidigital number, since it uses as much as digits as its factorization.

112212222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979300.

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

Adding to 112212222211 its reverse (112222212211), we get a palindrome (224434434422).

The spelling of 112212222211 in words is "one hundred twelve billion, two hundred twelve million, two hundred twenty-two thousand, two hundred eleven".