1100001001100 has 18 divisors (see below), whose sum is σ = 2387002172604. Its totient is φ = 440000400400.

The previous prime is 1100001001061. The next prime is 1100001001103. The reversal of 1100001001100 is 11001000011.

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 (1100001001103) 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 5 ways as a sum of consecutive naturals, for example, 5500004906 + ... + 5500005105.

Almost surely, 2^{1100001001100} is an apocalyptic number.

1100001001100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100001001100 is an abundant number, since it is smaller than the sum of its proper divisors (1287001171504).

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

1100001001100 is a wasteful number, since it uses less digits than its factorization.

1100001001100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11000010025 (or 11000010018 counting only the distinct ones).

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

Adding to 1100001001100 its reverse (11001000011), we get a palindrome (1111002001111).

The spelling of 1100001001100 in words is "one trillion, one hundred billion, one million, one thousand, one hundred".