21334210242032 has 20 divisors (see below), whose sum is σ = 41354374961616. Its totient is φ = 10662113477760.

The previous prime is 21334210241983. The next prime is 21334210242047. The reversal of 21334210242032 is 23024201243312.

It is a junction number, because it is equal to n+sod(n) for n = 21334210241986 and 21334210242004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311942444 + ... + 312010827.

Almost surely, 2^{21334210242032} is an apocalyptic number.

It is an amenable number.

21334210242032 is a deficient number, since it is larger than the sum of its proper divisors (20020164719584).

21334210242032 is a wasteful number, since it uses less digits than its factorization.

21334210242032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623955416 (or 623955410 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 21334210242032 its reverse (23024201243312), we get a palindrome (44358411485344).

The spelling of 21334210242032 in words is "twenty-one trillion, three hundred thirty-four billion, two hundred ten million, two hundred forty-two thousand, thirty-two".