111222201122112 has 56 divisors (see below), whose sum is σ = 294467619152992. Its totient is φ = 37049851353600.

The previous prime is 111222201122101. The next prime is 111222201122119. The reversal of 111222201122112 is 211221102222111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111222201122119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188890339 + ... + 189478242.

Almost surely, 2^{111222201122112} is an apocalyptic number.

111222201122112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111222201122112 is an abundant number, since it is smaller than the sum of its proper divisors (183245418030880).

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

111222201122112 is a wasteful number, since it uses less digits than its factorization.

111222201122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378370127 (or 378370117 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 111222201122112 its reverse (211221102222111), we get a palindrome (322443303344223).

The spelling of 111222201122112 in words is "one hundred eleven trillion, two hundred twenty-two billion, two hundred one million, one hundred twenty-two thousand, one hundred twelve".