111111022110012 has 24 divisors (see below), whose sum is σ = 259480451325312. Its totient is φ = 37005378836400.

The previous prime is 111111022110001. The next prime is 111111022110031. The reversal of 111111022110012 is 210011220111111.

It is a junction number, because it is equal to n+sod(n) for n = 111111022109973 and 111111022110000.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 3953552064 + ... + 3953580167.

It is an arithmetic number, because the mean of its divisors is an integer number (10811685471888).

Almost surely, 2^{111111022110012} is an apocalyptic number.

111111022110012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111111022110012 is an abundant number, since it is smaller than the sum of its proper divisors (148369429215300).

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

111111022110012 is a wasteful number, since it uses less digits than its factorization.

111111022110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7907133409 (or 7907133407 counting only the distinct ones).

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

Adding to 111111022110012 its reverse (210011220111111), we get a palindrome (321122242221123).

The spelling of 111111022110012 in words is "one hundred eleven trillion, one hundred eleven billion, twenty-two million, one hundred ten thousand, twelve".