111101111211112 has 32 divisors (see below), whose sum is σ = 239212918879200. Its totient is φ = 47842583774400.

The previous prime is 111101111211109. The next prime is 111101111211113. The reversal of 111101111211112 is 211112111101111.

It is not an unprimeable number, because it can be changed into a prime (111101111211113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33224014839 + ... + 33224018182.

It is an arithmetic number, because the mean of its divisors is an integer number (7475403714975).

Almost surely, 2^{111101111211112} is an apocalyptic number.

It is an amenable number.

111101111211112 is an abundant number, since it is smaller than the sum of its proper divisors (128111807668088).

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

111101111211112 is a wasteful number, since it uses less digits than its factorization.

111101111211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66448033057 (or 66448033053 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 16.

Adding to 111101111211112 its reverse (211112111101111), we get a palindrome (322213222312223).

It can be divided in two parts, 1111011112 and 11112, that added together give a square (1111022224 = 33332²).

The spelling of 111101111211112 in words is "one hundred eleven trillion, one hundred one billion, one hundred eleven million, two hundred eleven thousand, one hundred twelve".