13210320002101 has 4 divisors (see below), whose sum is σ = 13210327725804. Its totient is φ = 13210312278400.

The previous prime is 13210320002063. The next prime is 13210320002119. The reversal of 13210320002101 is 10120002301231.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 6503514939601 + 6706805062500 = 2550199^2 + 2589750^2 .

It is a cyclic number.

It is not a de Polignac number, because 13210320002101 - 2¹³ = 13210319993909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13210320002501) 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, 26890 + ... + 5140171.

It is an arithmetic number, because the mean of its divisors is an integer number (3302581931451).

Almost surely, 2^{13210320002101} is an apocalyptic number.

It is an amenable number.

13210320002101 is a deficient number, since it is larger than the sum of its proper divisors (7723703).

13210320002101 is an equidigital number, since it uses as much as digits as its factorization.

13210320002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7723702.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13210320002101 its reverse (10120002301231), we get a palindrome (23330322303332).

The spelling of 13210320002101 in words is "thirteen trillion, two hundred ten billion, three hundred twenty million, two thousand, one hundred one".