11111322223 has 8 divisors (see below), whose sum is σ = 11206890800. Its totient is φ = 11016088128.

The previous prime is 11111322199. The next prime is 11111322251. The reversal of 11111322223 is 32222311111.

11111322223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11111322223 is a prime.

It is a super-2 number, since 2×11111322223² (a number of 21 digits) contains 22 as substring.

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 11111322223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111322023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16668 + ... + 150001.

It is an arithmetic number, because the mean of its divisors is an integer number (1400861350).

Almost surely, 2^11111322223 is an apocalyptic number.

11111322223 is a deficient number, since it is larger than the sum of its proper divisors (95568577).

11111322223 is a wasteful number, since it uses less digits than its factorization.

11111322223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167241.

The product of its digits is 144, while the sum is 19.

Adding to 11111322223 its reverse (32222311111), we get a palindrome (43333633334).

The spelling of 11111322223 in words is "eleven billion, one hundred eleven million, three hundred twenty-two thousand, two hundred twenty-three".