11101001001100 has 18 divisors (see below), whose sum is σ = 24089172172604. Its totient is φ = 4440400400400.

The previous prime is 11101001001089. The next prime is 11101001001137. The reversal of 11101001001100 is 110010010111.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55505004906 + ... + 55505005105.

Almost surely, 2^{11101001001100} is an apocalyptic number.

11101001001100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101001001100 is an abundant number, since it is smaller than the sum of its proper divisors (12988171171504).

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

11101001001100 is a wasteful number, since it uses less digits than its factorization.

11101001001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111010010025 (or 111010010018 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 11101001001100 its reverse (110010010111), we get a palindrome (11211011011211).

The spelling of 11101001001100 in words is "eleven trillion, one hundred one billion, one million, one thousand, one hundred".