111200001102100 has 36 divisors (see below), whose sum is σ = 242175136034524. Its totient is φ = 44319422810880.

The previous prime is 111200001102097. The next prime is 111200001102133. The reversal of 111200001102100 is 1201100002111.

It can be written as a sum of positive squares in 6 ways, for example, as 312277557124 + 110887723544976 = 558818^2 + 10530324^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2007192537 + ... + 2007247936.

Almost surely, 2^{111200001102100} is an apocalyptic number.

111200001102100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111200001102100 is an abundant number, since it is smaller than the sum of its proper divisors (130975134932424).

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

111200001102100 is a wasteful number, since it uses less digits than its factorization.

111200001102100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4014440764 (or 4014440757 counting only the distinct ones).

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

Adding to 111200001102100 its reverse (1201100002111), we get a palindrome (112401101104211).

The spelling of 111200001102100 in words is "one hundred eleven trillion, two hundred billion, one million, one hundred two thousand, one hundred".