13111122132330 has 32 divisors (see below), whose sum is σ = 31466818505664. Its totient is φ = 3496285303296.

The previous prime is 13111122132271. The next prime is 13111122132331. The reversal of 13111122132330 is 3323122111131.

It is a self number, because there is not a number n which added to its sum of digits gives 13111122132330.

It is not an unprimeable number, because it can be changed into a prime (13111122132331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8402257 + ... + 9839723.

It is an arithmetic number, because the mean of its divisors is an integer number (983338078302).

Almost surely, 2^{13111122132330} is an apocalyptic number.

13111122132330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13111122132330 is an abundant number, since it is smaller than the sum of its proper divisors (18355696373334).

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

13111122132330 is a wasteful number, since it uses less digits than its factorization.

13111122132330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741510.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 13111122132330 its reverse (3323122111131), we get a palindrome (16434244243461).

The spelling of 13111122132330 in words is "thirteen trillion, one hundred eleven billion, one hundred twenty-two million, one hundred thirty-two thousand, three hundred thirty".