21302121013302 has 32 divisors (see below), whose sum is σ = 44854482758400. Its totient is φ = 6725798752608.

The previous prime is 21302121013279. The next prime is 21302121013331. The reversal of 21302121013302 is 20331012120312.

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 15 ways as a sum of consecutive naturals, for example, 15834658 + ... + 17127189.

It is an arithmetic number, because the mean of its divisors is an integer number (1401702586200).

Almost surely, 2^{21302121013302} is an apocalyptic number.

21302121013302 is an abundant number, since it is smaller than the sum of its proper divisors (23552361745098).

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

21302121013302 is a wasteful number, since it uses less digits than its factorization.

21302121013302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32967540.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21302121013302 its reverse (20331012120312), we get a palindrome (41633133133614).

The spelling of 21302121013302 in words is "twenty-one trillion, three hundred two billion, one hundred twenty-one million, thirteen thousand, three hundred two".