10001001100 has 36 divisors (see below), whose sum is σ = 21905019864. Its totient is φ = 3963009280.

The previous prime is 10001001097. The next prime is 10001001119. The reversal of 10001001100 is 110010001.

It is a Harshad number since it is a multiple of its sum of digits (4).

It is a self number, because there is not a number n which added to its sum of digits gives 10001001100.

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, 456637 + ... + 478036.

It is an arithmetic number, because the mean of its divisors is an integer number (608472774).

Almost surely, 2^10001001100 is an apocalyptic number.

10001001100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10001001100 is an abundant number, since it is smaller than the sum of its proper divisors (11904018764).

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

10001001100 is a wasteful number, since it uses less digits than its factorization.

10001001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934794 (or 934787 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 4.

Adding to 10001001100 its reverse (110010001), we get a palindrome (10111011101).

The spelling of 10001001100 in words is "ten billion, one million, one thousand, one hundred".