111120122212212 has 24 divisors (see below), whose sum is σ = 266287860437536. Its totient is φ = 36038958555168.

The previous prime is 111120122212139. The next prime is 111120122212217. The reversal of 111120122212212 is 212212221021111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111120122212217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125135272318 + ... + 125135273205.

Almost surely, 2^{111120122212212} is an apocalyptic number.

111120122212212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111120122212212 is an abundant number, since it is smaller than the sum of its proper divisors (155167738225324).

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

111120122212212 is a wasteful number, since it uses less digits than its factorization.

111120122212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250270545567 (or 250270545565 counting only the distinct ones).

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

Adding to 111120122212212 its reverse (212212221021111), we get a palindrome (323332343233323).

The spelling of 111120122212212 in words is "one hundred eleven trillion, one hundred twenty billion, one hundred twenty-two million, two hundred twelve thousand, two hundred twelve".