111120120000100 has 36 divisors (see below), whose sum is σ = 242131202612068. Its totient is φ = 44263616256000.

The previous prime is 111120120000091. The next prime is 111120120000103. The reversal of 111120120000100 is 1000021021111.

It can be written as a sum of positive squares in 6 ways, for example, as 5820136950016 + 105299983050084 = 2412496^2 + 10261578^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (111120120000103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2305372581 + ... + 2305420780.

Almost surely, 2^{111120120000100} is an apocalyptic number.

111120120000100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111120120000100 is an abundant number, since it is smaller than the sum of its proper divisors (131011082611968).

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

111120120000100 is a wasteful number, since it uses less digits than its factorization.

111120120000100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4610793616 (or 4610793609 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111120120000100 its reverse (1000021021111), we get a palindrome (112120141021211).

The spelling of 111120120000100 in words is "one hundred eleven trillion, one hundred twenty billion, one hundred twenty million, one hundred", and thus it is an aban number.