21041230334 has 16 divisors (see below), whose sum is σ = 32335003008. Its totient is φ = 10263489432.

The previous prime is 21041230321. The next prime is 21041230387. The reversal of 21041230334 is 43303214012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76802 + ... + 219045.

It is an arithmetic number, because the mean of its divisors is an integer number (2020937688).

Almost surely, 2^21041230334 is an apocalyptic number.

21041230334 is a deficient number, since it is larger than the sum of its proper divisors (11293772674).

21041230334 is a wasteful number, since it uses less digits than its factorization.

21041230334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296719.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 21041230334 its reverse (43303214012), we get a palindrome (64344444346).

The spelling of 21041230334 in words is "twenty-one billion, forty-one million, two hundred thirty thousand, three hundred thirty-four".