111200100111120 has 80 divisors (see below), whose sum is σ = 344724995777472. Its totient is φ = 29652956981760.

The previous prime is 111200100111091. The next prime is 111200100111137. The reversal of 111200100111120 is 21111001002111.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×111200100111120² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 111200100111096 and 111200100111105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14757135 + ... + 20980305.

Almost surely, 2^{111200100111120} is an apocalyptic number.

111200100111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111200100111120 is an abundant number, since it is smaller than the sum of its proper divisors (233524895666352).

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

111200100111120 is a wasteful number, since it uses less digits than its factorization.

111200100111120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6297640 (or 6297634 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 111200100111120 its reverse (21111001002111), we get a palindrome (132311101113231).

The spelling of 111200100111120 in words is "one hundred eleven trillion, two hundred billion, one hundred million, one hundred eleven thousand, one hundred twenty".