104021311 has 2 divisors, whose sum is σ = 104021312. Its totient is φ = 104021310.

The previous prime is 104021279. The next prime is 104021329. The reversal of 104021311 is 113120401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 104021311 - 2⁵ = 104021279 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 104021291 and 104021300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104021381) 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, 52010655 + 52010656.

It is an arithmetic number, because the mean of its divisors is an integer number (52010656).

Almost surely, 2^104021311 is an apocalyptic number.

104021311 is a deficient number, since it is larger than the sum of its proper divisors (1).

104021311 is an equidigital number, since it uses as much as digits as its factorization.

104021311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 104021311 is about 10199.0838314037. The cubic root of 104021311 is about 470.2990566924.

Adding to 104021311 its reverse (113120401), we get a palindrome (217141712).

The spelling of 104021311 in words is "one hundred four million, twenty-one thousand, three hundred eleven".