111132020212777 has 2 divisors, whose sum is σ = 111132020212778. Its totient is φ = 111132020212776.

The previous prime is 111132020212727. The next prime is 111132020212781. The reversal of 111132020212777 is 777212020231111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92866063983616 + 18265956229161 = 9636704^2 + 4273869^2 .

It is a cyclic number.

It is not a de Polignac number, because 111132020212777 - 2¹⁵ = 111132020180009 is a prime.

It is not a weakly prime, because it can be changed into another prime (111132020212727) 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, 55566010106388 + 55566010106389.

It is an arithmetic number, because the mean of its divisors is an integer number (55566010106389).

Almost surely, 2^{111132020212777} is an apocalyptic number.

It is an amenable number.

111132020212777 is a deficient number, since it is larger than the sum of its proper divisors (1).

111132020212777 is an equidigital number, since it uses as much as digits as its factorization.

111132020212777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16464, while the sum is 37.

Adding to 111132020212777 its reverse (777212020231111), we get a palindrome (888344040443888).

The spelling of 111132020212777 in words is "one hundred eleven trillion, one hundred thirty-two billion, twenty million, two hundred twelve thousand, seven hundred seventy-seven".