11001100202101 has 4 divisors (see below), whose sum is σ = 11001106964812. Its totient is φ = 11001093439392.

The previous prime is 11001100202063. The next prime is 11001100202111. The reversal of 11001100202101 is 10120200110011.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 7526100903876 + 3474999298225 = 2743374^2 + 1864135^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11001100202101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001100202111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 704251 + ... + 4743223.

It is an arithmetic number, because the mean of its divisors is an integer number (2750276741203).

Almost surely, 2^{11001100202101} is an apocalyptic number.

It is an amenable number.

11001100202101 is a deficient number, since it is larger than the sum of its proper divisors (6762711).

11001100202101 is an equidigital number, since it uses as much as digits as its factorization.

11001100202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6762710.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11001100202101 its reverse (10120200110011), we get a palindrome (21121300312112).

The spelling of 11001100202101 in words is "eleven trillion, one billion, one hundred million, two hundred two thousand, one hundred one".