111330330112021 has 8 divisors (see below), whose sum is σ = 111500351810264. Its totient is φ = 111160322058240.

The previous prime is 111330330111991. The next prime is 111330330112087. The reversal of 111330330112021 is 120211033033111.

It can be written as a sum of positive squares in 4 ways, for example, as 21618649971396 + 89711680140625 = 4649586^2 + 9471625^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111330330112021 - 2¹⁵ = 111330330079253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111330330111983 and 111330330112001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111330330115021) 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, 12980191 + ... + 19777411.

It is an arithmetic number, because the mean of its divisors is an integer number (13937543976283).

Almost surely, 2^{111330330112021} is an apocalyptic number.

It is an amenable number.

111330330112021 is a deficient number, since it is larger than the sum of its proper divisors (170021698243).

111330330112021 is an equidigital number, since it uses as much as digits as its factorization.

111330330112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6822231.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 111330330112021 its reverse (120211033033111), we get a palindrome (231541363145132).

The spelling of 111330330112021 in words is "one hundred eleven trillion, three hundred thirty billion, three hundred thirty million, one hundred twelve thousand, twenty-one".