110121110121977 has 2 divisors, whose sum is σ = 110121110121978. Its totient is φ = 110121110121976.

The previous prime is 110121110121917. The next prime is 110121110122109. The reversal of 110121110121977 is 779121011121011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96593102456041 + 13528007665936 = 9828179^2 + 3678044^2 .

It is a cyclic number.

It is not a de Polignac number, because 110121110121977 - 2⁸ = 110121110121721 is a prime.

It is not a weakly prime, because it can be changed into another prime (110121110121917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55060555060988 + 55060555060989.

It is an arithmetic number, because the mean of its divisors is an integer number (55060555060989).

Almost surely, 2^{110121110121977} is an apocalyptic number.

It is an amenable number.

110121110121977 is a deficient number, since it is larger than the sum of its proper divisors (1).

110121110121977 is an equidigital number, since it uses as much as digits as its factorization.

110121110121977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 35.

Adding to 110121110121977 its reverse (779121011121011), we get a palindrome (889242121242988).

The spelling of 110121110121977 in words is "one hundred ten trillion, one hundred twenty-one billion, one hundred ten million, one hundred twenty-one thousand, nine hundred seventy-seven".