11001100212011 has 48 divisors (see below), whose sum is σ = 14517551414016. Its totient is φ = 8115593071104.

The previous prime is 11001100211989. The next prime is 11001100212031. The reversal of 11001100212011 is 11021200110011.

It is not a de Polignac number, because 11001100212011 - 2¹⁸ = 11001099949867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11001100211983 and 11001100212001.

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 47 ways as a sum of consecutive naturals, for example, 859280 + ... + 4768706.

It is an arithmetic number, because the mean of its divisors is an integer number (302448987792).

Almost surely, 2^{11001100212011} is an apocalyptic number.

11001100212011 is a deficient number, since it is larger than the sum of its proper divisors (3516451202005).

11001100212011 is a wasteful number, since it uses less digits than its factorization.

11001100212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3909588 (or 3909571 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11001100212011 its reverse (11021200110011), we get a palindrome (22022300322022).

The spelling of 11001100212011 in words is "eleven trillion, one billion, one hundred million, two hundred twelve thousand, eleven".