111012201221017 has 2 divisors, whose sum is σ = 111012201221018. Its totient is φ = 111012201221016.

The previous prime is 111012201221003. The next prime is 111012201221143. The reversal of 111012201221017 is 710122102210111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83173323843481 + 27838877377536 = 9119941^2 + 5276256^2 .

It is a cyclic number.

It is not a de Polignac number, because 111012201221017 - 2²⁷ = 111012067003289 is a prime.

It is not a weakly prime, because it can be changed into another prime (111012201221617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55506100610508 + 55506100610509.

It is an arithmetic number, because the mean of its divisors is an integer number (55506100610509).

Almost surely, 2^{111012201221017} is an apocalyptic number.

It is an amenable number.

111012201221017 is a deficient number, since it is larger than the sum of its proper divisors (1).

111012201221017 is an equidigital number, since it uses as much as digits as its factorization.

111012201221017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 22.

Adding to 111012201221017 its reverse (710122102210111), we get a palindrome (821134303431128).

The spelling of 111012201221017 in words is "one hundred eleven trillion, twelve billion, two hundred one million, two hundred twenty-one thousand, seventeen".