21301013202330 has 64 divisors (see below), whose sum is σ = 51151308254208. Its totient is φ = 5677062289920.

The previous prime is 21301013202257. The next prime is 21301013202349. The reversal of 21301013202330 is 3320231010312.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 21301013202297 and 21301013202306.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1120329904 + ... + 1120348916.

It is an arithmetic number, because the mean of its divisors is an integer number (799239191472).

Almost surely, 2^{21301013202330} is an apocalyptic number.

21301013202330 is an abundant number, since it is smaller than the sum of its proper divisors (29850295051878).

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

21301013202330 is a wasteful number, since it uses less digits than its factorization.

21301013202330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38151.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21301013202330 its reverse (3320231010312), we get a palindrome (24621244212642).

The spelling of 21301013202330 in words is "twenty-one trillion, three hundred one billion, thirteen million, two hundred two thousand, three hundred thirty".