1100100111102 has 96 divisors (see below), whose sum is σ = 2479288331520. Its totient is φ = 352277291520.

The previous prime is 1100100111101. The next prime is 1100100111119. The reversal of 1100100111102 is 2011110010011.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100100111101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23001838 + ... + 23049614.

It is an arithmetic number, because the mean of its divisors is an integer number (25825920120).

Almost surely, 2^{1100100111102} is an apocalyptic number.

1100100111102 is an abundant number, since it is smaller than the sum of its proper divisors (1379188220418).

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

1100100111102 is a wasteful number, since it uses less digits than its factorization.

1100100111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48318 (or 48315 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 1100100111102 its reverse (2011110010011), we get a palindrome (3111210121113).

The spelling of 1100100111102 in words is "one trillion, one hundred billion, one hundred million, one hundred eleven thousand, one hundred two".