111011121110112 has 48 divisors (see below), whose sum is σ = 291405186213120. Its totient is φ = 37003580903552.

The previous prime is 111011121110107. The next prime is 111011121110129. The reversal of 111011121110112 is 211011121110111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 111011121110091 and 111011121110100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28834189 + ... + 32456627.

It is an arithmetic number, because the mean of its divisors is an integer number (6070941379440).

Almost surely, 2^{111011121110112} is an apocalyptic number.

111011121110112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111011121110112 is an abundant number, since it is smaller than the sum of its proper divisors (180394065103008).

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

111011121110112 is a wasteful number, since it uses less digits than its factorization.

111011121110112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3941675 (or 3941667 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 15.

Adding to 111011121110112 its reverse (211011121110111), we get a palindrome (322022242220223).

Subtracting 111011121110112 from its reverse (211011121110111), we obtain a palindrome (99999999999999).

The spelling of 111011121110112 in words is "one hundred eleven trillion, eleven billion, one hundred twenty-one million, one hundred ten thousand, one hundred twelve".