13111112030020 has 48 divisors (see below), whose sum is σ = 28647401070960. Its totient is φ = 5034332473856.

The previous prime is 13111112030011. The next prime is 13111112030047. The reversal of 13111112030020 is 2003021111131.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 99119188224 + 13011992841796 = 314832^2 + 3607214^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13111112029976 and 13111112030003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65233087 + ... + 65433766.

It is an arithmetic number, because the mean of its divisors is an integer number (596820855645).

Almost surely, 2^{13111112030020} is an apocalyptic number.

13111112030020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13111112030020 is an abundant number, since it is smaller than the sum of its proper divisors (15536289040940).

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

13111112030020 is a wasteful number, since it uses less digits than its factorization.

13111112030020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130667064 (or 130667062 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 13111112030020 its reverse (2003021111131), we get a palindrome (15114133141151).

The spelling of 13111112030020 in words is "thirteen trillion, one hundred eleven billion, one hundred twelve million, thirty thousand, twenty".