21301013243410 has 16 divisors (see below), whose sum is σ = 38353698106200. Its totient is φ = 8517766571136.

The previous prime is 21301013243407. The next prime is 21301013243417. The reversal of 21301013243410 is 1434231010312.

It can be written as a sum of positive squares in 4 ways, for example, as 13050394676089 + 8250618567321 = 3612533^2 + 2872389^2 .

It is not an unprimeable number, because it can be changed into a prime (21301013243417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329806875 + ... + 329871454.

Almost surely, 2^{21301013243410} is an apocalyptic number.

21301013243410 is a deficient number, since it is larger than the sum of its proper divisors (17052684862790).

21301013243410 is a wasteful number, since it uses less digits than its factorization.

21301013243410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659681565.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 21301013243410 its reverse (1434231010312), we get a palindrome (22735244253722).

The spelling of 21301013243410 in words is "twenty-one trillion, three hundred one billion, thirteen million, two hundred forty-three thousand, four hundred ten".