111601605101112 has 96 divisors (see below), whose sum is σ = 345698647956480. Its totient is φ = 31861701345600.

The previous prime is 111601605101087. The next prime is 111601605101113. The reversal of 111601605101112 is 211101506106111.

It is a happy number.

111601605101112 is a `hidden beast` number, since 1 + 1 + 1 + 601 + 6 + 0 + 51 + 0 + 1 + 1 + 1 + 2 = 666.

It is a super-2 number, since 2×111601605101112² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111601605101113) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 84313264 + ... + 85626687.

It is an arithmetic number, because the mean of its divisors is an integer number (3601027582880).

Almost surely, 2^{111601605101112} is an apocalyptic number.

111601605101112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111601605101112 is an abundant number, since it is smaller than the sum of its proper divisors (234097042855368).

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

111601605101112 is a wasteful number, since it uses less digits than its factorization.

111601605101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169941273 (or 169941266 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 27.

The spelling of 111601605101112 in words is "one hundred eleven trillion, six hundred one billion, six hundred five million, one hundred one thousand, one hundred twelve".