21234334335 has 16 divisors (see below), whose sum is σ = 33997726944. Its totient is φ = 11317380992.

The previous prime is 21234334327. The next prime is 21234334343. The reversal of 21234334335 is 53343343212.

It is an interprime number because it is at equal distance from previous prime (21234334327) and next prime (21234334343).

It is a cyclic number.

It is not a de Polignac number, because 21234334335 - 2³ = 21234334327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21234334296 and 21234334305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451692 + ... + 496481.

It is an arithmetic number, because the mean of its divisors is an integer number (2124857934).

Almost surely, 2^21234334335 is an apocalyptic number.

21234334335 is a deficient number, since it is larger than the sum of its proper divisors (12763392609).

21234334335 is a wasteful number, since it uses less digits than its factorization.

21234334335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949674.

The product of its digits is 77760, while the sum is 33.

Adding to 21234334335 its reverse (53343343212), we get a palindrome (74577677547).

The spelling of 21234334335 in words is "twenty-one billion, two hundred thirty-four million, three hundred thirty-four thousand, three hundred thirty-five".