100100100001100 has 72 divisors (see below), whose sum is σ = 220474200081408. Its totient is φ = 39439755432000.

The previous prime is 100100100001073. The next prime is 100100100001103. The reversal of 100100100001100 is 1100001001001.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is not an unprimeable number, because it can be changed into a prime (100100100001103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99887525 + ... + 100884675.

Almost surely, 2^{100100100001100} is an apocalyptic number.

100100100001100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100100100001100 is an abundant number, since it is smaller than the sum of its proper divisors (120374100080308).

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

100100100001100 is a wasteful number, since it uses less digits than its factorization.

100100100001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012215 (or 1012208 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 5.

Adding to 100100100001100 its reverse (1100001001001), we get a palindrome (101200101002101).

Subtracting from 100100100001100 its reverse (1100001001001), we obtain a palindrome (99000099000099).

The spelling of 100100100001100 in words is "one hundred trillion, one hundred billion, one hundred million, one thousand, one hundred".