11023223211 has 96 divisors (see below), whose sum is σ = 21815539200. Its totient is φ = 5285649600.

The previous prime is 11023223207. The next prime is 11023223227. The reversal of 11023223211 is 11232232011.

11023223211 is a `hidden beast` number, since 110 + 232 + 2 + 321 + 1 = 666.

It is not a de Polignac number, because 11023223211 - 2² = 11023223207 is a prime.

It is a super-2 number, since 2×11023223211² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11023223311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 428956 + ... + 453926.

It is an arithmetic number, because the mean of its divisors is an integer number (227245200).

Almost surely, 2^11023223211 is an apocalyptic number.

11023223211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11023223211 is a deficient number, since it is larger than the sum of its proper divisors (10792315989).

11023223211 is a wasteful number, since it uses less digits than its factorization.

11023223211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25022 (or 25005 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11023223211 its reverse (11232232011), we get a palindrome (22255455222).

The spelling of 11023223211 in words is "eleven billion, twenty-three million, two hundred twenty-three thousand, two hundred eleven".