111120112111120 has 160 divisors (see below), whose sum is σ = 304794457620480. Its totient is φ = 36868394626560.

The previous prime is 111120112111081. The next prime is 111120112111133. The reversal of 111120112111120 is 21111211021111.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 111120112111094 and 111120112111103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1078334319 + ... + 1078437361.

It is an arithmetic number, because the mean of its divisors is an integer number (1904965360128).

Almost surely, 2^{111120112111120} is an apocalyptic number.

111120112111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111120112111120 is an abundant number, since it is smaller than the sum of its proper divisors (193674345509360).

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

111120112111120 is a wasteful number, since it uses less digits than its factorization.

111120112111120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165213 (or 165207 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 111120112111120 its reverse (21111211021111), we get a palindrome (132231323132231).

The spelling of 111120112111120 in words is "one hundred eleven trillion, one hundred twenty billion, one hundred twelve million, one hundred eleven thousand, one hundred twenty".