111100303321 has 6 divisors (see below), whose sum is σ = 129239128410. Its totient is φ = 95228831376.

The previous prime is 111100303319. The next prime is 111100303357. The reversal of 111100303321 is 123303001111.

It can be written as a sum of positive squares in only one way, i.e., 109696752025 + 1403551296 = 331205^2 + 37464^2 .

It is not a de Polignac number, because 111100303321 - 2¹ = 111100303319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111100303295 and 111100303304.

It is not an unprimeable number, because it can be changed into a prime (111100303021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1133676516 + ... + 1133676613.

It is an arithmetic number, because the mean of its divisors is an integer number (21539854735).

Almost surely, 2^111100303321 is an apocalyptic number.

It is an amenable number.

111100303321 is a deficient number, since it is larger than the sum of its proper divisors (18138825089).

111100303321 is an equidigital number, since it uses as much as digits as its factorization.

111100303321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267353143 (or 2267353136 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 111100303321 its reverse (123303001111), we get a palindrome (234403304432).

The spelling of 111100303321 in words is "one hundred eleven billion, one hundred million, three hundred three thousand, three hundred twenty-one".