11111012222077 has 2 divisors, whose sum is σ = 11111012222078. Its totient is φ = 11111012222076.

The previous prime is 11111012222047. The next prime is 11111012222113. The reversal of 11111012222077 is 77022221011111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7922569866436 + 3188442355641 = 2814706^2 + 1785621^2 .

It is a cyclic number.

It is not a de Polignac number, because 11111012222077 - 2¹⁹ = 11111011697789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11111012222017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555506111038 + 5555506111039.

It is an arithmetic number, because the mean of its divisors is an integer number (5555506111039).

Almost surely, 2^{11111012222077} is an apocalyptic number.

It is an amenable number.

11111012222077 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111012222077 is an equidigital number, since it uses as much as digits as its factorization.

11111012222077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 784, while the sum is 28.

Adding to 11111012222077 its reverse (77022221011111), we get a palindrome (88133233233188).

The spelling of 11111012222077 in words is "eleven trillion, one hundred eleven billion, twelve million, two hundred twenty-two thousand, seventy-seven".