11113242211 has 4 divisors (see below), whose sum is σ = 11115306000. Its totient is φ = 11111178424.

The previous prime is 11113242197. The next prime is 11113242233. The reversal of 11113242211 is 11224231111.

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 11113242211 - 2⁷ = 11113242083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11113242611) 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, 1023796 + ... + 1034593.

It is an arithmetic number, because the mean of its divisors is an integer number (2778826500).

Almost surely, 2^11113242211 is an apocalyptic number.

11113242211 is a deficient number, since it is larger than the sum of its proper divisors (2063789).

11113242211 is an equidigital number, since it uses as much as digits as its factorization.

11113242211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063788.

The product of its digits is 96, while the sum is 19.

Adding to 11113242211 its reverse (11224231111), we get a palindrome (22337473322).

The spelling of 11113242211 in words is "eleven billion, one hundred thirteen million, two hundred forty-two thousand, two hundred eleven".