21334210240234 has 8 divisors (see below), whose sum is σ = 32025430899648. Its totient is φ = 10659066607020.

The previous prime is 21334210240229. The next prime is 21334210240267. The reversal of 21334210240234 is 43204201243312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 21334210240196 and 21334210240205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4019253232 + ... + 4019258539.

It is an arithmetic number, because the mean of its divisors is an integer number (4003178862456).

Almost surely, 2^{21334210240234} is an apocalyptic number.

21334210240234 is a deficient number, since it is larger than the sum of its proper divisors (10691220659414).

21334210240234 is a wasteful number, since it uses less digits than its factorization.

21334210240234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8038513100.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 21334210240234 its reverse (43204201243312), we get a palindrome (64538411483546).

The spelling of 21334210240234 in words is "twenty-one trillion, three hundred thirty-four billion, two hundred ten million, two hundred forty thousand, two hundred thirty-four".