104100955921 has 2 divisors, whose sum is σ = 104100955922. Its totient is φ = 104100955920.

The previous prime is 104100955831. The next prime is 104100955951. The reversal of 104100955921 is 129559001401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81190803600 + 22910152321 = 284940^2 + 151361^2 .

It is a cyclic number.

It is not a de Polignac number, because 104100955921 - 2¹³ = 104100947729 is a prime.

It is not a weakly prime, because it can be changed into another prime (104100955951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52050477960 + 52050477961.

It is an arithmetic number, because the mean of its divisors is an integer number (52050477961).

Almost surely, 2^104100955921 is an apocalyptic number.

It is an amenable number.

104100955921 is a deficient number, since it is larger than the sum of its proper divisors (1).

104100955921 is an equidigital number, since it uses as much as digits as its factorization.

104100955921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 37.

The spelling of 104100955921 in words is "one hundred four billion, one hundred million, nine hundred fifty-five thousand, nine hundred twenty-one".