111300122221 has 8 divisors (see below), whose sum is σ = 121910884920. Its totient is φ = 101140881408.

The previous prime is 111300122183. The next prime is 111300122237. The reversal of 111300122221 is 122221003111.

It can be written as a sum of positive squares in 4 ways, for example, as 44462361321 + 66837760900 = 210861^2 + 258530^2 .

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 111300122221 - 2⁷ = 111300122093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111300122195 and 111300122204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111300122261) 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, 112879956 + ... + 112880941.

It is an arithmetic number, because the mean of its divisors is an integer number (15238860615).

Almost surely, 2^111300122221 is an apocalyptic number.

It is an amenable number.

111300122221 is a deficient number, since it is larger than the sum of its proper divisors (10610762699).

111300122221 is a wasteful number, since it uses less digits than its factorization.

111300122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225760943.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 111300122221 its reverse (122221003111), we get a palindrome (233521125332).

The spelling of 111300122221 in words is "one hundred eleven billion, three hundred million, one hundred twenty-two thousand, two hundred twenty-one".