111101100110120 has 16 divisors (see below), whose sum is σ = 249977475247860. Its totient is φ = 44440440044032.

The previous prime is 111101100110111. The next prime is 111101100110141. The reversal of 111101100110120 is 21011001101111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 110805896967844 + 295203142276 = 10526438^2 + 543326^2 .

It is a super-2 number, since 2×111101100110120² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1388763751337 + ... + 1388763751416.

Almost surely, 2^{111101100110120} is an apocalyptic number.

111101100110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111101100110120 is an abundant number, since it is smaller than the sum of its proper divisors (138876375137740).

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

111101100110120 is a wasteful number, since it uses less digits than its factorization.

111101100110120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777527502764 (or 2777527502760 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 111101100110120 its reverse (21011001101111), we get a palindrome (132112101211231).

Subtracting from 111101100110120 its reverse (21011001101111), we obtain a palindrome (90090099009009).

The spelling of 111101100110120 in words is "one hundred eleven trillion, one hundred one billion, one hundred million, one hundred ten thousand, one hundred twenty".