1113023013021 has 24 divisors (see below), whose sum is σ = 1628736212480. Its totient is φ = 732314190816.

The previous prime is 1113023012993. The next prime is 1113023013061. The reversal of 1113023013021 is 1203103203111.

1113023013021 is a `hidden beast` number, since 1 + 1 + 130 + 230 + 1 + 302 + 1 = 666.

It is not a de Polignac number, because 1113023013021 - 2¹³ = 1113023004829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113023012985 and 1113023013003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113023013061) 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, 1365855 + ... + 2022771.

Almost surely, 2^{1113023013021} is an apocalyptic number.

It is an amenable number.

1113023013021 is a deficient number, since it is larger than the sum of its proper divisors (515713199459).

1113023013021 is a wasteful number, since it uses less digits than its factorization.

1113023013021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659385 (or 659382 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1113023013021 its reverse (1203103203111), we get a palindrome (2316126216132).

The spelling of 1113023013021 in words is "one trillion, one hundred thirteen billion, twenty-three million, thirteen thousand, twenty-one".