21303214210302 has 32 divisors (see below), whose sum is σ = 42879908887200. Its totient is φ = 7055495760768.

The previous prime is 21303214210277. The next prime is 21303214210403. The reversal of 21303214210302 is 20301241230312.

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, 19039324 + ... + 20127152.

It is an arithmetic number, because the mean of its divisors is an integer number (1339997152725).

Almost surely, 2^{21303214210302} is an apocalyptic number.

21303214210302 is an abundant number, since it is smaller than the sum of its proper divisors (21576694676898).

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

21303214210302 is a wasteful number, since it uses less digits than its factorization.

21303214210302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108780.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 21303214210302 its reverse (20301241230312), we get a palindrome (41604455440614).

The spelling of 21303214210302 in words is "twenty-one trillion, three hundred three billion, two hundred fourteen million, two hundred ten thousand, three hundred two".