1113021144123 has 24 divisors (see below), whose sum is σ = 1817177382720. Its totient is φ = 602537760720.

The previous prime is 1113021144121. The next prime is 1113021144143. The reversal of 1113021144123 is 3214411203111.

It is not a de Polignac number, because 1113021144123 - 2¹ = 1113021144121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1113021144093 and 1113021144102.

It is not an unprimeable number, because it can be changed into a prime (1113021144121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 199249113 + ... + 199254698.

It is an arithmetic number, because the mean of its divisors is an integer number (75715724280).

Almost surely, 2^{1113021144123} is an apocalyptic number.

1113021144123 is a deficient number, since it is larger than the sum of its proper divisors (704156238597).

1113021144123 is a wasteful number, since it uses less digits than its factorization.

1113021144123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398503847 (or 398503840 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 1113021144123 its reverse (3214411203111), we get a palindrome (4327432347234).

The spelling of 1113021144123 in words is "one trillion, one hundred thirteen billion, twenty-one million, one hundred forty-four thousand, one hundred twenty-three".