11000111123 has 8 divisors (see below), whose sum is σ = 12082502400. Its totient is φ = 9968063688.

The previous prime is 11000111117. The next prime is 11000111141. The reversal of 11000111123 is 32111100011.

It is a happy number.

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 11000111123 - 2³² = 6705143827 is a prime.

It is a super-2 number, since 2×11000111123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11000111623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12585503 + ... + 12586376.

It is an arithmetic number, because the mean of its divisors is an integer number (1510312800).

Almost surely, 2^11000111123 is an apocalyptic number.

11000111123 is a deficient number, since it is larger than the sum of its proper divisors (1082391277).

11000111123 is a wasteful number, since it uses less digits than its factorization.

11000111123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25171921.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 11000111123 its reverse (32111100011), we get a palindrome (43111211134).

The spelling of 11000111123 in words is "eleven billion, one hundred eleven thousand, one hundred twenty-three".