11124220411 has 4 divisors (see below), whose sum is σ = 11607882192. Its totient is φ = 10640558632.

The previous prime is 11124220369. The next prime is 11124220433. The reversal of 11124220411 is 11402242111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-11124220411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11124220441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241830856 + ... + 241830901.

It is an arithmetic number, because the mean of its divisors is an integer number (2901970548).

Almost surely, 2^11124220411 is an apocalyptic number.

11124220411 is a deficient number, since it is larger than the sum of its proper divisors (483661781).

11124220411 is an equidigital number, since it uses as much as digits as its factorization.

11124220411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483661780.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11124220411 its reverse (11402242111), we get a palindrome (22526462522).

The spelling of 11124220411 in words is "eleven billion, one hundred twenty-four million, two hundred twenty thousand, four hundred eleven".