112212121112222 has 4 divisors (see below), whose sum is σ = 168318181668336. Its totient is φ = 56106060556110.

The previous prime is 112212121112209. The next prime is 112212121112227. The reversal of 112212121112222 is 222211121212211.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112212121112227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28053030278054 + ... + 28053030278057.

It is an arithmetic number, because the mean of its divisors is an integer number (42079545417084).

Almost surely, 2^{112212121112222} is an apocalyptic number.

112212121112222 is a deficient number, since it is larger than the sum of its proper divisors (56106060556114).

112212121112222 is an equidigital number, since it uses as much as digits as its factorization.

112212121112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56106060556113.

The product of its digits is 256, while the sum is 23.

Adding to 112212121112222 its reverse (222211121212211), we get a palindrome (334423242324433).

The spelling of 112212121112222 in words is "one hundred twelve trillion, two hundred twelve billion, one hundred twenty-one million, one hundred twelve thousand, two hundred twenty-two".