11212210011 has 16 divisors (see below), whose sum is σ = 15548019200. Its totient is φ = 7180718688.

The previous prime is 11212210007. The next prime is 11212210033. The reversal of 11212210011 is 11001221211.

It is not a de Polignac number, because 11212210011 - 2² = 11212210007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11212210001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 630541 + ... + 648078.

It is an arithmetic number, because the mean of its divisors is an integer number (971751200).

Almost surely, 2^11212210011 is an apocalyptic number.

11212210011 is a deficient number, since it is larger than the sum of its proper divisors (4335809189).

11212210011 is a wasteful number, since it uses less digits than its factorization.

11212210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278738.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11212210011 its reverse (11001221211), we get a palindrome (22213431222).

The spelling of 11212210011 in words is "eleven billion, two hundred twelve million, two hundred ten thousand, eleven".