11023123222 has 4 divisors (see below), whose sum is σ = 16534684836. Its totient is φ = 5511561610.

The previous prime is 11023123171. The next prime is 11023123231. The reversal of 11023123222 is 22232132011.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×11023123222² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11023123222.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2755780804 + ... + 2755780807.

It is an arithmetic number, because the mean of its divisors is an integer number (4133671209).

Almost surely, 2^11023123222 is an apocalyptic number.

11023123222 is a deficient number, since it is larger than the sum of its proper divisors (5511561614).

11023123222 is an equidigital number, since it uses as much as digits as its factorization.

11023123222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5511561613.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11023123222 its reverse (22232132011), we get a palindrome (33255255233).

The spelling of 11023123222 in words is "eleven billion, twenty-three million, one hundred twenty-three thousand, two hundred twenty-two".