2104234343421 has 24 divisors (see below), whose sum is σ = 3263804359200. Its totient is φ = 1202385012192.

The previous prime is 2104234343401. The next prime is 2104234343423. The reversal of 2104234343421 is 1243434324012.

It is not a de Polignac number, because 2104234343421 - 2¹⁴ = 2104234327037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104234343423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5443075 + ... + 5816831.

It is an arithmetic number, because the mean of its divisors is an integer number (135991848300).

Almost surely, 2^{2104234343421} is an apocalyptic number.

2104234343421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2104234343421 is a deficient number, since it is larger than the sum of its proper divisors (1159570015779).

2104234343421 is a wasteful number, since it uses less digits than its factorization.

2104234343421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412073 (or 412066 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 2104234343421 its reverse (1243434324012), we get a palindrome (3347668667433).

The spelling of 2104234343421 in words is "two trillion, one hundred four billion, two hundred thirty-four million, three hundred forty-three thousand, four hundred twenty-one".