1100104121 has 2 divisors, whose sum is σ = 1100104122. Its totient is φ = 1100104120.

The previous prime is 1100104111. The next prime is 1100104139. The reversal of 1100104121 is 1214010011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 774842896 + 325261225 = 27836^2 + 18035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100104121 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100104111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550052060 + 550052061.

It is an arithmetic number, because the mean of its divisors is an integer number (550052061).

Almost surely, 2^1100104121 is an apocalyptic number.

It is an amenable number.

1100104121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100104121 is an equidigital number, since it uses as much as digits as its factorization.

1100104121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1100104121 is about 33167.8175495464. The cubic root of 1100104121 is about 1032.3126847433.

Adding to 1100104121 its reverse (1214010011), we get a palindrome (2314114132).

The spelling of 1100104121 in words is "one billion, one hundred million, one hundred four thousand, one hundred twenty-one".