111200000103221 has 2 divisors, whose sum is σ = 111200000103222. Its totient is φ = 111200000103220.

The previous prime is 111200000103217. The next prime is 111200000103299. The reversal of 111200000103221 is 122301000002111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89699575812196 + 21500424291025 = 9470986^2 + 4636855^2 .

It is a cyclic number.

It is not a de Polignac number, because 111200000103221 - 2² = 111200000103217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111200000103196 and 111200000103205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111200000183221) 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 as a sum of consecutive naturals, namely, 55600000051610 + 55600000051611.

It is an arithmetic number, because the mean of its divisors is an integer number (55600000051611).

Almost surely, 2^{111200000103221} is an apocalyptic number.

It is an amenable number.

111200000103221 is a deficient number, since it is larger than the sum of its proper divisors (1).

111200000103221 is an equidigital number, since it uses as much as digits as its factorization.

111200000103221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 111200000103221 its reverse (122301000002111), we get a palindrome (233501000105332).

The spelling of 111200000103221 in words is "one hundred eleven trillion, two hundred billion, one hundred three thousand, two hundred twenty-one".