2104133323021 has 8 divisors (see below), whose sum is σ = 2239449428664. Its totient is φ = 1970099834880.

The previous prime is 2104133323009. The next prime is 2104133323063. The reversal of 2104133323021 is 1203233314012.

It can be written as a sum of positive squares in 4 ways, for example, as 363923834121 + 1740209488900 = 603261^2 + 1319170^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2104133323021 - 2¹⁵ = 2104133290253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104133323001) 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, 320650990 + ... + 320657551.

It is an arithmetic number, because the mean of its divisors is an integer number (279931178583).

Almost surely, 2^{2104133323021} is an apocalyptic number.

It is an amenable number.

2104133323021 is a deficient number, since it is larger than the sum of its proper divisors (135316105643).

2104133323021 is a wasteful number, since it uses less digits than its factorization.

2104133323021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641308751.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2104133323021 its reverse (1203233314012), we get a palindrome (3307366637033).

Subtracting from 2104133323021 its reverse (1203233314012), we obtain a palindrome (900900009009).

The spelling of 2104133323021 in words is "two trillion, one hundred four billion, one hundred thirty-three million, three hundred twenty-three thousand, twenty-one".