11022223211 has 4 divisors (see below), whose sum is σ = 11022750552. Its totient is φ = 11021695872.

The previous prime is 11022223187. The next prime is 11022223213. The reversal of 11022223211 is 11232222011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11232222011 = 127 ⋅88442693.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11022223211 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 11022223211.

It is not an unprimeable number, because it can be changed into a prime (11022223213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230966 + ... + 274571.

It is an arithmetic number, because the mean of its divisors is an integer number (2755687638).

Almost surely, 2^11022223211 is an apocalyptic number.

11022223211 is a deficient number, since it is larger than the sum of its proper divisors (527341).

11022223211 is an equidigital number, since it uses as much as digits as its factorization.

11022223211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527340.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11022223211 its reverse (11232222011), we get a palindrome (22254445222).

The spelling of 11022223211 in words is "eleven billion, twenty-two million, two hundred twenty-three thousand, two hundred eleven".