110111001977 has 2 divisors, whose sum is σ = 110111001978. Its totient is φ = 110111001976.

The previous prime is 110111001947. The next prime is 110111002003. The reversal of 110111001977 is 779100111011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96082020841 + 14028981136 = 309971^2 + 118444^2 .

It is an emirp because it is prime and its reverse (779100111011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110111001977 - 2³⁰ = 109037260153 is a prime.

It is not a weakly prime, because it can be changed into another prime (110111001947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55055500988 + 55055500989.

It is an arithmetic number, because the mean of its divisors is an integer number (55055500989).

Almost surely, 2^110111001977 is an apocalyptic number.

It is an amenable number.

110111001977 is a deficient number, since it is larger than the sum of its proper divisors (1).

110111001977 is an equidigital number, since it uses as much as digits as its factorization.

110111001977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 441, while the sum is 29.

Adding to 110111001977 its reverse (779100111011), we get a palindrome (889211112988).

The spelling of 110111001977 in words is "one hundred ten billion, one hundred eleven million, one thousand, nine hundred seventy-seven".