110404204121 has 2 divisors, whose sum is σ = 110404204122. Its totient is φ = 110404204120.

The previous prime is 110404204117. The next prime is 110404204129. The reversal of 110404204121 is 121402404011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110050764121 + 353440000 = 331739^2 + 18800^2 .

It is a cyclic number.

It is not a de Polignac number, because 110404204121 - 2² = 110404204117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110404204093 and 110404204102.

It is not a weakly prime, because it can be changed into another prime (110404204129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55202102060 + 55202102061.

It is an arithmetic number, because the mean of its divisors is an integer number (55202102061).

Almost surely, 2^110404204121 is an apocalyptic number.

It is an amenable number.

110404204121 is a deficient number, since it is larger than the sum of its proper divisors (1).

110404204121 is an equidigital number, since it uses as much as digits as its factorization.

110404204121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 110404204121 its reverse (121402404011), we get a palindrome (231806608132).

The spelling of 110404204121 in words is "one hundred ten billion, four hundred four million, two hundred four thousand, one hundred twenty-one".