111300212321 has 8 divisors (see below), whose sum is σ = 117861171624. Its totient is φ = 104740796160.

The previous prime is 111300212297. The next prime is 111300212357. The reversal of 111300212321 is 123212003111.

It can be written as a sum of positive squares in 4 ways, for example, as 154654096 + 111145558225 = 12436^2 + 333385^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111300212321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111300212321.

It is not an unprimeable number, because it can be changed into a prime (111300212021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235610 + ... + 527363.

It is an arithmetic number, because the mean of its divisors is an integer number (14732646453).

Almost surely, 2^111300212321 is an apocalyptic number.

It is an amenable number.

111300212321 is a deficient number, since it is larger than the sum of its proper divisors (6560959303).

111300212321 is an equidigital number, since it uses as much as digits as its factorization.

111300212321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771571.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 111300212321 its reverse (123212003111), we get a palindrome (234512215432).

The spelling of 111300212321 in words is "one hundred eleven billion, three hundred million, two hundred twelve thousand, three hundred twenty-one".