21021314033334 has 8 divisors (see below), whose sum is σ = 42042628066680. Its totient is φ = 7007104677776.

The previous prime is 21021314033333. The next prime is 21021314033339. The reversal of 21021314033334 is 43333041312012.

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

21021314033334 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21021314033333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1751776169439 + ... + 1751776169450.

It is an arithmetic number, because the mean of its divisors is an integer number (5255328508335).

Almost surely, 2^{21021314033334} is an apocalyptic number.

21021314033334 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21021314033334 is a wasteful number, since it uses less digits than its factorization.

21021314033334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503552338894.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 21021314033334 its reverse (43333041312012), we get a palindrome (64354355345346).

The spelling of 21021314033334 in words is "twenty-one trillion, twenty-one billion, three hundred fourteen million, thirty-three thousand, three hundred thirty-four".