11312302211 has 4 divisors (see below), whose sum is σ = 12928345392. Its totient is φ = 9696259032.

The previous prime is 11312302193. The next prime is 11312302217. The reversal of 11312302211 is 11220321311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11220321311 = 23 ⋅487840057.

It is a cyclic number.

It is not a de Polignac number, because 11312302211 - 2⁶ = 11312302147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11312302211.

It is not an unprimeable number, because it can be changed into a prime (11312302217) 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, 808021580 + ... + 808021593.

It is an arithmetic number, because the mean of its divisors is an integer number (3232086348).

Almost surely, 2^11312302211 is an apocalyptic number.

11312302211 is a deficient number, since it is larger than the sum of its proper divisors (1616043181).

11312302211 is an equidigital number, since it uses as much as digits as its factorization.

11312302211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616043180.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11312302211 its reverse (11220321311), we get a palindrome (22532623522).

The spelling of 11312302211 in words is "eleven billion, three hundred twelve million, three hundred two thousand, two hundred eleven".