1001100111108 has 96 divisors (see below), whose sum is σ = 2528015616000. Its totient is φ = 307333489536.

The previous prime is 1001100111107. The next prime is 1001100111113. The reversal of 1001100111108 is 8011110011001.

It is not an unprimeable number, because it can be changed into a prime (1001100111107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1283191 + ... + 1910177.

It is an arithmetic number, because the mean of its divisors is an integer number (26333496000).

Almost surely, 2^{1001100111108} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1001100111108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1264007808000).

1001100111108 is an abundant number, since it is smaller than the sum of its proper divisors (1526915504892).

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

1001100111108 is a wasteful number, since it uses less digits than its factorization.

1001100111108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627209 (or 627207 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 1001100111108 its reverse (8011110011001), we get a palindrome (9012210122109).

The spelling of 1001100111108 in words is "one trillion, one billion, one hundred million, one hundred eleven thousand, one hundred eight".