1113121333123 has 16 divisors (see below), whose sum is σ = 1167944961600. Its totient is φ = 1058848215040.

The previous prime is 1113121333111. The next prime is 1113121333229. The reversal of 1113121333123 is 3213331213111.

It is a cyclic number.

It is not a de Polignac number, because 1113121333123 - 2²¹ = 1113119235971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113121334123) 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, 3120483 + ... + 3458851.

It is an arithmetic number, because the mean of its divisors is an integer number (72996560100).

Almost surely, 2^{1113121333123} is an apocalyptic number.

1113121333123 is a deficient number, since it is larger than the sum of its proper divisors (54823628477).

1113121333123 is a wasteful number, since it uses less digits than its factorization.

1113121333123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339182.

The product of its digits is 972, while the sum is 25.

Adding to 1113121333123 its reverse (3213331213111), we get a palindrome (4326452546234).

The spelling of 1113121333123 in words is "one trillion, one hundred thirteen billion, one hundred twenty-one million, three hundred thirty-three thousand, one hundred twenty-three".