11321102211 has 4 divisors (see below), whose sum is σ = 15094802952. Its totient is φ = 7547401472.

The previous prime is 11321102197. The next prime is 11321102231. The reversal of 11321102211 is 11220112311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11220112311 = 3 ⋅3740037437.

It is a cyclic number.

It is not a de Polignac number, because 11321102211 - 2⁶ = 11321102147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11321102231) 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, 1886850366 + ... + 1886850371.

It is an arithmetic number, because the mean of its divisors is an integer number (3773700738).

Almost surely, 2^11321102211 is an apocalyptic number.

11321102211 is a deficient number, since it is larger than the sum of its proper divisors (3773700741).

11321102211 is an equidigital number, since it uses as much as digits as its factorization.

11321102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3773700740.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11321102211 its reverse (11220112311), we get a palindrome (22541214522).

The spelling of 11321102211 in words is "eleven billion, three hundred twenty-one million, one hundred two thousand, two hundred eleven".