111011130320 has 20 divisors (see below), whose sum is σ = 258100878180. Its totient is φ = 44404452096.

The previous prime is 111011130301. The next prime is 111011130331. The reversal of 111011130320 is 23031110111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 87665735056 + 23345395264 = 296084^2 + 152792^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 111011130295 and 111011130304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693819485 + ... + 693819644.

It is an arithmetic number, because the mean of its divisors is an integer number (12905043909).

Almost surely, 2^111011130320 is an apocalyptic number.

111011130320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111011130320 is an abundant number, since it is smaller than the sum of its proper divisors (147089747860).

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

111011130320 is a wasteful number, since it uses less digits than its factorization.

111011130320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387639142 (or 1387639136 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 111011130320 its reverse (23031110111), we get a palindrome (134042240431).

The spelling of 111011130320 in words is "one hundred eleven billion, eleven million, one hundred thirty thousand, three hundred twenty".