21333352322334 has 16 divisors (see below), whose sum is σ = 45948758848272. Its totient is φ = 6564108406848.

The previous prime is 21333352322281. The next prime is 21333352322353. The reversal of 21333352322334 is 43322325333312.

It is a super-2 number, since 2×21333352322334² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 21333352322292 and 21333352322301.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 136752258399 + ... + 136752258554.

It is an arithmetic number, because the mean of its divisors is an integer number (2871797428017).

Almost surely, 2^{21333352322334} is an apocalyptic number.

21333352322334 is an abundant number, since it is smaller than the sum of its proper divisors (24615406525938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21333352322334 is a wasteful number, since it uses less digits than its factorization.

21333352322334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273504516971.

The product of its digits is 699840, while the sum is 39.

Adding to 21333352322334 its reverse (43322325333312), we get a palindrome (64655677655646).

The spelling of 21333352322334 in words is "twenty-one trillion, three hundred thirty-three billion, three hundred fifty-two million, three hundred twenty-two thousand, three hundred thirty-four".