11001100212001 has 4 divisors (see below), whose sum is σ = 11001672877104. Its totient is φ = 11000527546900.

The previous prime is 11001100211989. The next prime is 11001100212031. The reversal of 11001100212001 is 10021200110011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11001100212001 - 2⁴³ = 2205007189793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11001100212031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286303735 + ... + 286342156.

It is an arithmetic number, because the mean of its divisors is an integer number (2750418219276).

Almost surely, 2^{11001100212001} is an apocalyptic number.

It is an amenable number.

11001100212001 is a deficient number, since it is larger than the sum of its proper divisors (572665103).

11001100212001 is an equidigital number, since it uses as much as digits as its factorization.

11001100212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572665102.

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

Adding to 11001100212001 its reverse (10021200110011), we get a palindrome (21022300322012).

The spelling of 11001100212001 in words is "eleven trillion, one billion, one hundred million, two hundred twelve thousand, one".