21021300213302 has 32 divisors (see below), whose sum is σ = 32345469020160. Its totient is φ = 10241479140480.

The previous prime is 21021300213301. The next prime is 21021300213317. The reversal of 21021300213302 is 20331200312012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21021300213301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93728477 + ... + 93952487.

It is an arithmetic number, because the mean of its divisors is an integer number (1010795906880).

Almost surely, 2^{21021300213302} is an apocalyptic number.

21021300213302 is a deficient number, since it is larger than the sum of its proper divisors (11324168806858).

21021300213302 is a wasteful number, since it uses less digits than its factorization.

21021300213302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228476.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21021300213302 its reverse (20331200312012), we get a palindrome (41352500525314).

The spelling of 21021300213302 in words is "twenty-one trillion, twenty-one billion, three hundred million, two hundred thirteen thousand, three hundred two".