13111142204020 has 96 divisors (see below), whose sum is σ = 33541335878400. Its totient is φ = 4202427463680.

The previous prime is 13111142203997. The next prime is 13111142204063. The reversal of 13111142204020 is 2040224111131.

It is a junction number, because it is equal to n+sod(n) for n = 13111142203982 and 13111142204000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18131566 + ... + 18840805.

It is an arithmetic number, because the mean of its divisors is an integer number (349388915400).

Almost surely, 2^{13111142204020} is an apocalyptic number.

13111142204020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13111142204020 is an abundant number, since it is smaller than the sum of its proper divisors (20430193674380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13111142204020 is a wasteful number, since it uses less digits than its factorization.

13111142204020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36972553 (or 36972551 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 13111142204020 its reverse (2040224111131), we get a palindrome (15151366315151).

The spelling of 13111142204020 in words is "thirteen trillion, one hundred eleven billion, one hundred forty-two million, two hundred four thousand, twenty".