11031110123 has 8 divisors (see below), whose sum is σ = 12096292656. Its totient is φ = 9976320000.

The previous prime is 11031110119. The next prime is 11031110141. The reversal of 11031110123 is 32101113011.

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 11031110123 - 2² = 11031110119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11031110098 and 11031110107.

It is not an unprimeable number, because it can be changed into a prime (11031110723) 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, 2595878 + ... + 2600123.

It is an arithmetic number, because the mean of its divisors is an integer number (1512036582).

Almost surely, 2^11031110123 is an apocalyptic number.

11031110123 is a deficient number, since it is larger than the sum of its proper divisors (1065182533).

11031110123 is a wasteful number, since it uses less digits than its factorization.

11031110123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5196205.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11031110123 its reverse (32101113011), we get a palindrome (43132223134).

The spelling of 11031110123 in words is "eleven billion, thirty-one million, one hundred ten thousand, one hundred twenty-three".