2104040211123 has 4 divisors (see below), whose sum is σ = 2805386948168. Its totient is φ = 1402693474080.

The previous prime is 2104040211113. The next prime is 2104040211151. The reversal of 2104040211123 is 3211120404012.

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

It is not a de Polignac number, because 2104040211123 - 2⁴ = 2104040211107 is a prime.

It is a super-2 number, since 2×2104040211123² (a number of 25 digits) contains 22 as substring.

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 2104040211123.

It is not an unprimeable number, because it can be changed into a prime (2104040211113) 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, 350673368518 + ... + 350673368523.

It is an arithmetic number, because the mean of its divisors is an integer number (701346737042).

Almost surely, 2^{2104040211123} is an apocalyptic number.

2104040211123 is a deficient number, since it is larger than the sum of its proper divisors (701346737045).

2104040211123 is an equidigital number, since it uses as much as digits as its factorization.

2104040211123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701346737044.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 2104040211123 its reverse (3211120404012), we get a palindrome (5315160615135).

The spelling of 2104040211123 in words is "two trillion, one hundred four billion, forty million, two hundred eleven thousand, one hundred twenty-three".