111032030320 has 80 divisors (see below), whose sum is σ = 266577268320. Its totient is φ = 42981829632.

The previous prime is 111032030293. The next prime is 111032030371. The reversal of 111032030320 is 23030230111.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×111032030320² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 111032030294 and 111032030303.

It is a congruent number.

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, 226902 + ... + 523018.

It is an arithmetic number, because the mean of its divisors is an integer number (3332215854).

Almost surely, 2^111032030320 is an apocalyptic number.

111032030320 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 111032030320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133288634160).

111032030320 is an abundant number, since it is smaller than the sum of its proper divisors (155545238000).

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

111032030320 is a wasteful number, since it uses less digits than its factorization.

111032030320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296282 (or 296276 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 111032030320 its reverse (23030230111), we get a palindrome (134062260431).

The spelling of 111032030320 in words is "one hundred eleven billion, thirty-two million, thirty thousand, three hundred twenty".