21303112303132 has 12 divisors (see below), whose sum is σ = 40669578033336. Its totient is φ = 9683232865040.

The previous prime is 21303112303129. The next prime is 21303112303147. The reversal of 21303112303132 is 23130321130312.

It is a junction number, because it is equal to n+sod(n) for n = 21303112303097 and 21303112303106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242080821583 + ... + 242080821670.

It is an arithmetic number, because the mean of its divisors is an integer number (3389131502778).

Almost surely, 2^{21303112303132} is an apocalyptic number.

21303112303132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21303112303132 is a deficient number, since it is larger than the sum of its proper divisors (19366465730204).

21303112303132 is a wasteful number, since it uses less digits than its factorization.

21303112303132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484161643268 (or 484161643266 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 21303112303132 its reverse (23130321130312), we get a palindrome (44433433433444).

The spelling of 21303112303132 in words is "twenty-one trillion, three hundred three billion, one hundred twelve million, three hundred three thousand, one hundred thirty-two".