111120122122112 has 32 divisors (see below), whose sum is σ = 222964723493400. Its totient is φ = 55160348382720.

The previous prime is 111120122122111. The next prime is 111120122122129. The reversal of 111120122122112 is 211221221021111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111120122122111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3122737439 + ... + 3122773022.

Almost surely, 2^{111120122122112} is an apocalyptic number.

It is an amenable number.

111120122122112 is an abundant number, since it is smaller than the sum of its proper divisors (111844601371288).

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

111120122122112 is an equidigital number, since it uses as much as digits as its factorization.

111120122122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6245510614 (or 6245510602 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 111120122122112 its reverse (211221221021111), we get a palindrome (322341343143223).

The spelling of 111120122122112 in words is "one hundred eleven trillion, one hundred twenty billion, one hundred twenty-two million, one hundred twenty-two thousand, one hundred twelve".