11440120211 has 24 divisors (see below), whose sum is σ = 12672676800. Its totient is φ = 10318054656.

The previous prime is 11440120207. The next prime is 11440120231. The reversal of 11440120211 is 11202104411.

It is not a de Polignac number, because 11440120211 - 2² = 11440120207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11440120211.

It is not an unprimeable number, because it can be changed into a prime (11440120231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8331521 + ... + 8332893.

It is an arithmetic number, because the mean of its divisors is an integer number (528028200).

Almost surely, 2^11440120211 is an apocalyptic number.

11440120211 is a deficient number, since it is larger than the sum of its proper divisors (1232556589).

11440120211 is a wasteful number, since it uses less digits than its factorization.

11440120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495 (or 2482 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11440120211 its reverse (11202104411), we get a palindrome (22642224622).

The spelling of 11440120211 in words is "eleven billion, four hundred forty million, one hundred twenty thousand, two hundred eleven".