111321333121 has 8 divisors (see below), whose sum is σ = 119361669120. Its totient is φ = 103446777408.

The previous prime is 111321333031. The next prime is 111321333143. The reversal of 111321333121 is 121333123111.

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 111321333121 - 2¹⁵ = 111321300353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111321333092 and 111321333101.

It is not an unprimeable number, because it can be changed into a prime (111321333421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41443681 + ... + 41446366.

It is an arithmetic number, because the mean of its divisors is an integer number (14920208640).

Almost surely, 2^111321333121 is an apocalyptic number.

It is an amenable number.

111321333121 is a deficient number, since it is larger than the sum of its proper divisors (8040335999).

111321333121 is an equidigital number, since it uses as much as digits as its factorization.

111321333121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82890143.

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

Adding to 111321333121 its reverse (121333123111), we get a palindrome (232654456232).

The spelling of 111321333121 in words is "one hundred eleven billion, three hundred twenty-one million, three hundred thirty-three thousand, one hundred twenty-one".