2104034002121 has 16 divisors (see below), whose sum is σ = 2171504160000. Its totient is φ = 2037607723008.

The previous prime is 2104034002099. The next prime is 2104034002171. The reversal of 2104034002121 is 1212004304012.

It is not a de Polignac number, because 2104034002121 - 2²⁶ = 2103966893257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2104034002093 and 2104034002102.

It is not an unprimeable number, because it can be changed into a prime (2104034002171) 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, 14578505 + ... + 14722121.

It is an arithmetic number, because the mean of its divisors is an integer number (135719010000).

Almost surely, 2^{2104034002121} is an apocalyptic number.

It is an amenable number.

2104034002121 is a deficient number, since it is larger than the sum of its proper divisors (67470157879).

2104034002121 is a wasteful number, since it uses less digits than its factorization.

2104034002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147248.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2104034002121 its reverse (1212004304012), we get a palindrome (3316038306133).

The spelling of 2104034002121 in words is "two trillion, one hundred four billion, thirty-four million, two thousand, one hundred twenty-one".