111120111120012 has 12 divisors (see below), whose sum is σ = 259280259280056. Its totient is φ = 37040037040000.

The previous prime is 111120111119959. The next prime is 111120111120037. The reversal of 111120111120012 is 210021111021111.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 111120111119973 and 111120111120000.

It is an unprimeable number.

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, 4630004629989 + ... + 4630004630012.

It is an arithmetic number, because the mean of its divisors is an integer number (21606688273338).

Almost surely, 2^{111120111120012} is an apocalyptic number.

111120111120012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111120111120012 is an abundant number, since it is smaller than the sum of its proper divisors (148160148160044).

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

111120111120012 is a wasteful number, since it uses less digits than its factorization.

111120111120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9260009260008 (or 9260009260006 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111120111120012 its reverse (210021111021111), we get a palindrome (321141222141123).

The spelling of 111120111120012 in words is "one hundred eleven trillion, one hundred twenty billion, one hundred eleven million, one hundred twenty thousand, twelve".