104263531221 has 16 divisors (see below), whose sum is σ = 140664610944. Its totient is φ = 68689388544.

The previous prime is 104263531219. The next prime is 104263531247. The reversal of 104263531221 is 122135362401.

It is not a de Polignac number, because 104263531221 - 2¹ = 104263531219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104263531271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342081 + ... + 570566.

It is an arithmetic number, because the mean of its divisors is an integer number (8791538184).

Almost surely, 2^104263531221 is an apocalyptic number.

It is an amenable number.

104263531221 is a deficient number, since it is larger than the sum of its proper divisors (36401079723).

104263531221 is a wasteful number, since it uses less digits than its factorization.

104263531221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913100.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 104263531221 its reverse (122135362401), we get a palindrome (226398893622).

The spelling of 104263531221 in words is "one hundred four billion, two hundred sixty-three million, five hundred thirty-one thousand, two hundred twenty-one".