2104111132123 has 32 divisors (see below), whose sum is σ = 2947930739712. Its totient is φ = 1447644528000.

The previous prime is 2104111132117. The next prime is 2104111132147. The reversal of 2104111132123 is 3212311114012.

It is a de Polignac number, because none of the positive numbers 2^k-2104111132123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2104111132094 and 2104111132103.

It is not an unprimeable number, because it can be changed into a prime (2104111136123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45672828 + ... + 45718873.

It is an arithmetic number, because the mean of its divisors is an integer number (92122835616).

Almost surely, 2^{2104111132123} is an apocalyptic number.

2104111132123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2104111132123 is a deficient number, since it is larger than the sum of its proper divisors (843819607589).

2104111132123 is a wasteful number, since it uses less digits than its factorization.

2104111132123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91391755.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 2104111132123 its reverse (3212311114012), we get a palindrome (5316422246135).

The spelling of 2104111132123 in words is "two trillion, one hundred four billion, one hundred eleven million, one hundred thirty-two thousand, one hundred twenty-three".