21301202201313 has 4 divisors (see below), whose sum is σ = 28401602935088. Its totient is φ = 14200801467540.

The previous prime is 21301202201303. The next prime is 21301202201369. The reversal of 21301202201313 is 31310220210312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 21301202201313 - 2⁸ = 21301202201057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21301202201313.

It is not an unprimeable number, because it can be changed into a prime (21301202201303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3550200366883 + ... + 3550200366888.

It is an arithmetic number, because the mean of its divisors is an integer number (7100400733772).

Almost surely, 2^{21301202201313} is an apocalyptic number.

It is an amenable number.

21301202201313 is a deficient number, since it is larger than the sum of its proper divisors (7100400733775).

21301202201313 is an equidigital number, since it uses as much as digits as its factorization.

21301202201313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7100400733774.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21301202201313 its reverse (31310220210312), we get a palindrome (52611422411625).

The spelling of 21301202201313 in words is "twenty-one trillion, three hundred one billion, two hundred two million, two hundred one thousand, three hundred thirteen".