121110106021873 has 2 divisors, whose sum is σ = 121110106021874. Its totient is φ = 121110106021872.

The previous prime is 121110106021819. The next prime is 121110106021939. The reversal of 121110106021873 is 378120601011121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116571062988864 + 4539043033009 = 10796808^2 + 2130503^2 .

It is a cyclic number.

It is not a de Polignac number, because 121110106021873 - 2³³ = 121101516087281 is a prime.

It is not a weakly prime, because it can be changed into another prime (121110106021273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60555053010936 + 60555053010937.

It is an arithmetic number, because the mean of its divisors is an integer number (60555053010937).

Almost surely, 2^{121110106021873} is an apocalyptic number.

It is an amenable number.

121110106021873 is a deficient number, since it is larger than the sum of its proper divisors (1).

121110106021873 is an equidigital number, since it uses as much as digits as its factorization.

121110106021873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 34.

Adding to 121110106021873 its reverse (378120601011121), we get a palindrome (499230707032994).

The spelling of 121110106021873 in words is "one hundred twenty-one trillion, one hundred ten billion, one hundred six million, twenty-one thousand, eight hundred seventy-three".