11123032111 has 2 divisors, whose sum is σ = 11123032112. Its totient is φ = 11123032110.

The previous prime is 11123032073. The next prime is 11123032127.

It is a happy number.

11123032111 is nontrivially palindromic in base 10.

It is an a-pointer prime, because the next prime (11123032127) can be obtained adding 11123032111 to its sum of digits (16).

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 11123032111 - 2¹¹ = 11123030063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11123032211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561516055 + 5561516056.

It is an arithmetic number, because the mean of its divisors is an integer number (5561516056).

Almost surely, 2^11123032111 is an apocalyptic number.

11123032111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11123032111 is an equidigital number, since it uses as much as digits as its factorization.

11123032111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

It can be divided in two parts, 111230 and 32111, that added together give a palindrome (143341).

The spelling of 11123032111 in words is "eleven billion, one hundred twenty-three million, thirty-two thousand, one hundred eleven".