11211100002011 has 32 divisors (see below), whose sum is σ = 13826593041408. Its totient is φ = 8852136347520.

The previous prime is 11211100002007. The next prime is 11211100002041. The reversal of 11211100002011 is 11020000111211.

It is a cyclic number.

It is not a de Polignac number, because 11211100002011 - 2² = 11211100002007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11211100001983 and 11211100002001.

It is not an unprimeable number, because it can be changed into a prime (11211100002041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87672941 + ... + 87800721.

It is an arithmetic number, because the mean of its divisors is an integer number (432081032544).

Almost surely, 2^{11211100002011} is an apocalyptic number.

11211100002011 is a deficient number, since it is larger than the sum of its proper divisors (2615493039397).

11211100002011 is a wasteful number, since it uses less digits than its factorization.

11211100002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129771.

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

Adding to 11211100002011 its reverse (11020000111211), we get a palindrome (22231100113222).

The spelling of 11211100002011 in words is "eleven trillion, two hundred eleven billion, one hundred million, two thousand, eleven".