11323022111 has 16 divisors (see below), whose sum is σ = 11840320800. Its totient is φ = 10818624000.

The previous prime is 11323022077. The next prime is 11323022141. The reversal of 11323022111 is 11122032311.

It is a cyclic number.

It is not a de Polignac number, because 11323022111 - 2³⁰ = 10249280287 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 11323022111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11323022141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 642011 + ... + 659411.

It is an arithmetic number, because the mean of its divisors is an integer number (740020050).

Almost surely, 2^11323022111 is an apocalyptic number.

11323022111 is a deficient number, since it is larger than the sum of its proper divisors (517298689).

11323022111 is a wasteful number, since it uses less digits than its factorization.

11323022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17770.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11323022111 its reverse (11122032311), we get a palindrome (22445054422).

The spelling of 11323022111 in words is "eleven billion, three hundred twenty-three million, twenty-two thousand, one hundred eleven".