104521133011321 has 8 divisors (see below), whose sum is σ = 113986045738880. Its totient is φ = 95259766794192.

The previous prime is 104521133011319. The next prime is 104521133011367. The reversal of 104521133011321 is 123110331125401.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 104521133011321 - 2¹ = 104521133011319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104521133011321.

It is not an unprimeable number, because it can be changed into a prime (104521133011301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50886626535 + ... + 50886628588.

It is an arithmetic number, because the mean of its divisors is an integer number (14248255717360).

Almost surely, 2^{104521133011321} is an apocalyptic number.

It is an amenable number.

104521133011321 is a deficient number, since it is larger than the sum of its proper divisors (9464912727559).

104521133011321 is a wasteful number, since it uses less digits than its factorization.

104521133011321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101773255215.

The product of its (nonzero) digits is 2160, while the sum is 28.

Adding to 104521133011321 its reverse (123110331125401), we get a palindrome (227631464136722).

The spelling of 104521133011321 in words is "one hundred four trillion, five hundred twenty-one billion, one hundred thirty-three million, eleven thousand, three hundred twenty-one".