11123323331111 has 8 divisors (see below), whose sum is σ = 11358001995744. Its totient is φ = 10890869109120.

The previous prime is 11123323331093. The next prime is 11123323331129. The reversal of 11123323331111 is 11113332332111.

It is an interprime number because it is at equal distance from previous prime (11123323331093) and next prime (11123323331129).

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

It is a cyclic number.

It is not a de Polignac number, because 11123323331111 - 2⁴² = 6725276820007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123323331171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556100555 + ... + 556120556.

It is an arithmetic number, because the mean of its divisors is an integer number (1419750249468).

Almost surely, 2^{11123323331111} is an apocalyptic number.

11123323331111 is a deficient number, since it is larger than the sum of its proper divisors (234678664633).

11123323331111 is a wasteful number, since it uses less digits than its factorization.

11123323331111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112221321.

The product of its digits is 972, while the sum is 26.

Adding to 11123323331111 its reverse (11113332332111), we get a palindrome (22236655663222).

The spelling of 11123323331111 in words is "eleven trillion, one hundred twenty-three billion, three hundred twenty-three million, three hundred thirty-one thousand, one hundred eleven".