111201000320320 has 56 divisors (see below), whose sum is σ = 280373698615464. Its totient is φ = 41863906000896.

The previous prime is 111201000320317. The next prime is 111201000320327. The reversal of 111201000320320 is 23023000102111.

It can be written as a sum of positive squares in 4 ways, for example, as 9022381897984 + 102178618422336 = 3003728^2 + 10108344^2 .

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 = 111201000320294 and 111201000320303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111201000320327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10220674737 + ... + 10220685616.

Almost surely, 2^{111201000320320} is an apocalyptic number.

111201000320320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111201000320320 is an abundant number, since it is smaller than the sum of its proper divisors (169172698295144).

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

111201000320320 is a wasteful number, since it uses less digits than its factorization.

111201000320320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20441360387 (or 20441360377 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 111201000320320 its reverse (23023000102111), we get a palindrome (134224000422431).

The spelling of 111201000320320 in words is "one hundred eleven trillion, two hundred one billion, three hundred twenty thousand, three hundred twenty".