104121120400019 has 2 divisors, whose sum is σ = 104121120400020. Its totient is φ = 104121120400018.

The previous prime is 104121120399971. The next prime is 104121120400093. The reversal of 104121120400019 is 910004021121401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104121120400019 - 2²⁴ = 104121103622803 is a prime.

It is a super-2 number, since 2×104121120400019² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (104121120400819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52060560200009 + 52060560200010.

It is an arithmetic number, because the mean of its divisors is an integer number (52060560200010).

Almost surely, 2^{104121120400019} is an apocalyptic number.

104121120400019 is a deficient number, since it is larger than the sum of its proper divisors (1).

104121120400019 is an equidigital number, since it uses as much as digits as its factorization.

104121120400019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 104121120400019 in words is "one hundred four trillion, one hundred twenty-one billion, one hundred twenty million, four hundred thousand, nineteen".