11213244311 has 4 divisors (see below), whose sum is σ = 11213860392. Its totient is φ = 11212628232.

The previous prime is 11213244299. The next prime is 11213244331. The reversal of 11213244311 is 11344231211.

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

It is a cyclic number.

It is not a de Polignac number, because 11213244311 - 2³⁰ = 10139502487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213244331) 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, 279881 + ... + 317426.

It is an arithmetic number, because the mean of its divisors is an integer number (2803465098).

Almost surely, 2^11213244311 is an apocalyptic number.

11213244311 is a deficient number, since it is larger than the sum of its proper divisors (616081).

11213244311 is an equidigital number, since it uses as much as digits as its factorization.

11213244311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616080.

The product of its digits is 576, while the sum is 23.

Adding to 11213244311 its reverse (11344231211), we get a palindrome (22557475522).

The spelling of 11213244311 in words is "eleven billion, two hundred thirteen million, two hundred forty-four thousand, three hundred eleven".