11211002311 has 8 divisors (see below), whose sum is σ = 11505884544. Its totient is φ = 10919925240.

The previous prime is 11211002287. The next prime is 11211002333. The reversal of 11211002311 is 11320011211.

It is a happy number.

11211002311 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 a cyclic number.

It is not a de Polignac number, because 11211002311 - 2¹¹ = 11211000263 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11211002291 and 11211002300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211402311) 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, 945321 + ... + 957106.

It is an arithmetic number, because the mean of its divisors is an integer number (1438235568).

Almost surely, 2^11211002311 is an apocalyptic number.

11211002311 is a deficient number, since it is larger than the sum of its proper divisors (294882233).

11211002311 is an equidigital number, since it uses as much as digits as its factorization.

11211002311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902581.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11211002311 its reverse (11320011211), we get a palindrome (22531013522).

The spelling of 11211002311 in words is "eleven billion, two hundred eleven million, two thousand, three hundred eleven".