2211211120011 has 16 divisors (see below), whose sum is σ = 3032601882144. Its totient is φ = 1432102581504.

The previous prime is 2211211120009. The next prime is 2211211120031. The reversal of 2211211120011 is 1100211121122.

It is a happy number.

It is not a de Polignac number, because 2211211120011 - 2¹ = 2211211120009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2211211120031) 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, 15180826 + ... + 15325791.

It is an arithmetic number, because the mean of its divisors is an integer number (189537617634).

Almost surely, 2^{2211211120011} is an apocalyptic number.

2211211120011 is a deficient number, since it is larger than the sum of its proper divisors (821390762133).

2211211120011 is a wasteful number, since it uses less digits than its factorization.

2211211120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30507310.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2211211120011 its reverse (1100211121122), we get a palindrome (3311422241133).

The spelling of 2211211120011 in words is "two trillion, two hundred eleven billion, two hundred eleven million, one hundred twenty thousand, eleven".