111110101100077 has 2 divisors, whose sum is σ = 111110101100078. Its totient is φ = 111110101100076.

The previous prime is 111110101100071. The next prime is 111110101100087. The reversal of 111110101100077 is 770001101011111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60842199619881 + 50267901480196 = 7800141^2 + 7089986^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111110101100077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111110101100071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555050550038 + 55555050550039.

It is an arithmetic number, because the mean of its divisors is an integer number (55555050550039).

Almost surely, 2^{111110101100077} is an apocalyptic number.

It is an amenable number.

111110101100077 is a deficient number, since it is larger than the sum of its proper divisors (1).

111110101100077 is an equidigital number, since it uses as much as digits as its factorization.

111110101100077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49, while the sum is 22.

Adding to 111110101100077 its reverse (770001101011111), we get a palindrome (881111202111188).

The spelling of 111110101100077 in words is "one hundred eleven trillion, one hundred ten billion, one hundred one million, one hundred thousand, seventy-seven".