13122011220311 has 8 divisors (see below), whose sum is σ = 15207803748864. Its totient is φ = 11089023566040.

The previous prime is 13122011220301. The next prime is 13122011220317. The reversal of 13122011220311 is 11302211022131.

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

It is not a de Polignac number, because 13122011220311 - 2³⁴ = 13104831351127 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 (13122011220317) 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, 13201218035 + ... + 13201219028.

It is an arithmetic number, because the mean of its divisors is an integer number (1900975468608).

Almost surely, 2^{13122011220311} is an apocalyptic number.

13122011220311 is a deficient number, since it is larger than the sum of its proper divisors (2085792528553).

13122011220311 is an equidigital number, since it uses as much as digits as its factorization.

13122011220311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26402437141.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 13122011220311 its reverse (11302211022131), we get a palindrome (24424222242442).

The spelling of 13122011220311 in words is "thirteen trillion, one hundred twenty-two billion, eleven million, two hundred twenty thousand, three hundred eleven".