104112221 has 2 divisors, whose sum is σ = 104112222. Its totient is φ = 104112220.

The previous prime is 104112179. The next prime is 104112227. The reversal of 104112221 is 122211401.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103327225 + 784996 = 10165^2 + 886^2 .

It is a cyclic number.

It is not a de Polignac number, because 104112221 - 2²⁶ = 37003357 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 104112196 and 104112205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104112227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52056110 + 52056111.

It is an arithmetic number, because the mean of its divisors is an integer number (52056111).

Almost surely, 2^104112221 is an apocalyptic number.

It is an amenable number.

104112221 is a deficient number, since it is larger than the sum of its proper divisors (1).

104112221 is an equidigital number, since it uses as much as digits as its factorization.

104112221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 104112221 is about 10203.5396309320. The cubic root of 104112221 is about 470.4360236196.

Adding to 104112221 its reverse (122211401), we get a palindrome (226323622).

The spelling of 104112221 in words is "one hundred four million, one hundred twelve thousand, two hundred twenty-one".