111100211101120 has 56 divisors (see below), whose sum is σ = 280119576385584. Its totient is φ = 41825961824256.

The previous prime is 111100211101097. The next prime is 111100211101127. The reversal of 111100211101120 is 21101112001111.

It is a self number, because there is not a number n which added to its sum of digits gives 111100211101120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111100211101127) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10211411022 + ... + 10211421901.

Almost surely, 2^{111100211101120} is an apocalyptic number.

111100211101120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111100211101120 is an abundant number, since it is smaller than the sum of its proper divisors (169019365284464).

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

111100211101120 is a wasteful number, since it uses less digits than its factorization.

111100211101120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20422832957 (or 20422832947 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 111100211101120 its reverse (21101112001111), we get a palindrome (132201323102231).

The spelling of 111100211101120 in words is "one hundred eleven trillion, one hundred billion, two hundred eleven million, one hundred one thousand, one hundred twenty".