21042033334034 has 16 divisors (see below), whose sum is σ = 32652581716800. Its totient is φ = 10157864999184.

The previous prime is 21042033334031. The next prime is 21042033334037. The reversal of 21042033334034 is 43043333024012.

It is an interprime number because it is at equal distance from previous prime (21042033334031) and next prime (21042033334037).

It is not an unprimeable number, because it can be changed into a prime (21042033334031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4728992 + ... + 8027915.

It is an arithmetic number, because the mean of its divisors is an integer number (2040786357300).

Almost surely, 2^{21042033334034} is an apocalyptic number.

21042033334034 is a deficient number, since it is larger than the sum of its proper divisors (11610548382766).

21042033334034 is a wasteful number, since it uses less digits than its factorization.

21042033334034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12785377.

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 21042033334034 its reverse (43043333024012), we get a palindrome (64085366358046).

The spelling of 21042033334034 in words is "twenty-one trillion, forty-two billion, thirty-three million, three hundred thirty-four thousand, thirty-four".