104221512583 has 2 divisors, whose sum is σ = 104221512584. Its totient is φ = 104221512582.

The previous prime is 104221512533. The next prime is 104221512617. The reversal of 104221512583 is 385215122401.

It is an a-pointer prime, because the next prime (104221512617) can be obtained adding 104221512583 to its sum of digits (34).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 104221512583 - 2²¹ = 104219415431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104221512533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52110756291 + 52110756292.

It is an arithmetic number, because the mean of its divisors is an integer number (52110756292).

Almost surely, 2^104221512583 is an apocalyptic number.

104221512583 is a deficient number, since it is larger than the sum of its proper divisors (1).

104221512583 is an equidigital number, since it uses as much as digits as its factorization.

104221512583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19200, while the sum is 34.

Adding to 104221512583 its reverse (385215122401), we get a palindrome (489436634984).

The spelling of 104221512583 in words is "one hundred four billion, two hundred twenty-one million, five hundred twelve thousand, five hundred eighty-three".