13111113021120 has 224 divisors, whose sum is σ = 46257471152640. Its totient is φ = 3495965875200.

The previous prime is 13111113021119. The next prime is 13111113021169. The reversal of 13111113021120 is 2112031111131.

13111113021120 is a `hidden beast` number, since 1 + 311 + 11 + 130 + 211 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13111113021093 and 13111113021102.

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, 99147045 + ... + 99279195.

Almost surely, 2^{13111113021120} is an apocalyptic number.

13111113021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13111113021120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23128735576320).

13111113021120 is an abundant number, since it is smaller than the sum of its proper divisors (33146358131520).

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

13111113021120 is a wasteful number, since it uses less digits than its factorization.

13111113021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143660 (or 143644 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 13111113021120 its reverse (2112031111131), we get a palindrome (15223144132251).

The spelling of 13111113021120 in words is "thirteen trillion, one hundred eleven billion, one hundred thirteen million, twenty-one thousand, one hundred twenty".