11001100012100 has 36 divisors (see below), whose sum is σ = 26042604031248. Its totient is φ = 4000400004000.

The previous prime is 11001100012081. The next prime is 11001100012127. The reversal of 11001100012100 is 121000110011.

It is a happy number.

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, 5000498906 + ... + 5000501105.

Almost surely, 2^{11001100012100} is an apocalyptic number.

11001100012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11001100012100 is an abundant number, since it is smaller than the sum of its proper divisors (15041504019148).

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

11001100012100 is a wasteful number, since it uses less digits than its factorization.

11001100012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10001000036 (or 10001000029 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 11001100012100 its reverse (121000110011), we get a palindrome (11122100122111).

The spelling of 11001100012100 in words is "eleven trillion, one billion, one hundred million, twelve thousand, one hundred".