13121321211301 has 8 divisors (see below), whose sum is σ = 13544770308608. Its totient is φ = 12697883406000.

The previous prime is 13121321211289. The next prime is 13121321211307. The reversal of 13121321211301 is 10311212312131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13121321211301 is a prime.

It is a super-2 number, since 2×13121321211301² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121321211307) 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, 429270 + ... + 5140711.

It is an arithmetic number, because the mean of its divisors is an integer number (1693096288576).

Almost surely, 2^{13121321211301} is an apocalyptic number.

It is an amenable number.

13121321211301 is a deficient number, since it is larger than the sum of its proper divisors (423449097307).

13121321211301 is an equidigital number, since it uses as much as digits as its factorization.

13121321211301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5646003.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 13121321211301 its reverse (10311212312131), we get a palindrome (23432533523432).

The spelling of 13121321211301 in words is "thirteen trillion, one hundred twenty-one billion, three hundred twenty-one million, two hundred eleven thousand, three hundred one".