112121112111222 has 8 divisors (see below), whose sum is σ = 224242224222456. Its totient is φ = 37373704037072.

The previous prime is 112121112111181. The next prime is 112121112111241. The reversal of 112121112111222 is 222111211121211.

It is a sphenic number, since it is the product of 3 distinct primes.

112121112111222 is an admirable number.

It is a super-2 number, since 2×112121112111222² (a number of 29 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9343426009263 + ... + 9343426009274.

It is an arithmetic number, because the mean of its divisors is an integer number (28030278027807).

Almost surely, 2^{112121112111222} is an apocalyptic number.

112121112111222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112121112111222 is a wasteful number, since it uses less digits than its factorization.

112121112111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18686852018542.

The product of its digits is 64, while the sum is 21.

Adding to 112121112111222 its reverse (222111211121211), we get a palindrome (334232323232433).

The spelling of 112121112111222 in words is "one hundred twelve trillion, one hundred twenty-one billion, one hundred twelve million, one hundred eleven thousand, two hundred twenty-two".