11211130311 has 8 divisors (see below), whose sum is σ = 15102279024. Its totient is φ = 7397034240.

The previous prime is 11211130243. The next prime is 11211130361. The reversal of 11211130311 is 11303111211.

11211130311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11211130311 - 2¹¹ = 11211128263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211130361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19262820 + ... + 19263401.

It is an arithmetic number, because the mean of its divisors is an integer number (1887784878).

Almost surely, 2^11211130311 is an apocalyptic number.

11211130311 is a deficient number, since it is larger than the sum of its proper divisors (3891148713).

11211130311 is an equidigital number, since it uses as much as digits as its factorization.

11211130311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38526321.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 11211130311 its reverse (11303111211), we get a palindrome (22514241522).

The spelling of 11211130311 in words is "eleven billion, two hundred eleven million, one hundred thirty thousand, three hundred eleven".