13111320332122 has 4 divisors (see below), whose sum is σ = 19666980498186. Its totient is φ = 6555660166060.

The previous prime is 13111320331943. The next prime is 13111320332153. The reversal of 13111320332122 is 22123302311131.

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

It can be written as a sum of positive squares in only one way, i.e., 11472846091281 + 1638474240841 = 3387159^2 + 1280029^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3277830083029 + ... + 3277830083032.

Almost surely, 2^{13111320332122} is an apocalyptic number.

13111320332122 is a deficient number, since it is larger than the sum of its proper divisors (6555660166064).

13111320332122 is an equidigital number, since it uses as much as digits as its factorization.

13111320332122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6555660166063.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 13111320332122 its reverse (22123302311131), we get a palindrome (35234622643253).

The spelling of 13111320332122 in words is "thirteen trillion, one hundred eleven billion, three hundred twenty million, three hundred thirty-two thousand, one hundred twenty-two".