2104041133121 has 4 divisors (see below), whose sum is σ = 2104049970372. Its totient is φ = 2104032295872.

The previous prime is 2104041133079. The next prime is 2104041133169. The reversal of 2104041133121 is 1213311404012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1723086776896 + 380954356225 = 1312664^2 + 617215^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2104041133121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2104041135121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4051316 + ... + 4541061.

It is an arithmetic number, because the mean of its divisors is an integer number (526012492593).

Almost surely, 2^{2104041133121} is an apocalyptic number.

It is an amenable number.

2104041133121 is a deficient number, since it is larger than the sum of its proper divisors (8837251).

2104041133121 is an equidigital number, since it uses as much as digits as its factorization.

2104041133121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8837250.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 2104041133121 its reverse (1213311404012), we get a palindrome (3317352537133).

The spelling of 2104041133121 in words is "two trillion, one hundred four billion, forty-one million, one hundred thirty-three thousand, one hundred twenty-one".