21303232211302 has 16 divisors (see below), whose sum is σ = 32698128969792. Its totient is φ = 10403858079720.

The previous prime is 21303232211227. The next prime is 21303232211311. The reversal of 21303232211302 is 20311223230312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27029253 + ... + 27806239.

It is an arithmetic number, because the mean of its divisors is an integer number (2043633060612).

Almost surely, 2^{21303232211302} is an apocalyptic number.

21303232211302 is a deficient number, since it is larger than the sum of its proper divisors (11394896758490).

21303232211302 is a wasteful number, since it uses less digits than its factorization.

21303232211302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095843.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 21303232211302 its reverse (20311223230312), we get a palindrome (41614455441614).

The spelling of 21303232211302 in words is "twenty-one trillion, three hundred three billion, two hundred thirty-two million, two hundred eleven thousand, three hundred two".