13021300231211 has 4 divisors (see below), whose sum is σ = 13021322637552. Its totient is φ = 13021277824872.

The previous prime is 13021300231201. The next prime is 13021300231241. The reversal of 13021300231211 is 11213200312031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13021300231211 - 2³⁴ = 13004120362027 is a prime.

It is a super-2 number, since 2×13021300231211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13021300231201) 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, 10307591 + ... + 11501696.

It is an arithmetic number, because the mean of its divisors is an integer number (3255330659388).

Almost surely, 2^{13021300231211} is an apocalyptic number.

13021300231211 is a deficient number, since it is larger than the sum of its proper divisors (22406341).

13021300231211 is an equidigital number, since it uses as much as digits as its factorization.

13021300231211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22406340.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13021300231211 its reverse (11213200312031), we get a palindrome (24234500543242).

The spelling of 13021300231211 in words is "thirteen trillion, twenty-one billion, three hundred million, two hundred thirty-one thousand, two hundred eleven".