111222201211301 has 2 divisors, whose sum is σ = 111222201211302. Its totient is φ = 111222201211300.

The previous prime is 111222201211267. The next prime is 111222201211337. The reversal of 111222201211301 is 103112102222111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109583734650625 + 1638466560676 = 10468225^2 + 1280026^2 .

It is a cyclic number.

It is not a de Polignac number, because 111222201211301 - 2¹⁸ = 111222200949157 is a prime.

It is a super-2 number, since 2×111222201211301² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111222201211391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55611100605650 + 55611100605651.

It is an arithmetic number, because the mean of its divisors is an integer number (55611100605651).

Almost surely, 2^{111222201211301} is an apocalyptic number.

It is an amenable number.

111222201211301 is a deficient number, since it is larger than the sum of its proper divisors (1).

111222201211301 is an equidigital number, since it uses as much as digits as its factorization.

111222201211301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 111222201211301 its reverse (103112102222111), we get a palindrome (214334303433412).

The spelling of 111222201211301 in words is "one hundred eleven trillion, two hundred twenty-two billion, two hundred one million, two hundred eleven thousand, three hundred one".