13111222321033 has 4 divisors (see below), whose sum is σ = 13111303711248. Its totient is φ = 13111140930820.

The previous prime is 13111222321009. The next prime is 13111222321103. The reversal of 13111222321033 is 33012322211131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13111222321033 - 2¹³ = 13111222312841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13111222320989 and 13111222321007.

It is not an unprimeable number, because it can be changed into a prime (13111222321633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40452991 + ... + 40775812.

It is an arithmetic number, because the mean of its divisors is an integer number (3277825927812).

Almost surely, 2^{13111222321033} is an apocalyptic number.

It is an amenable number.

13111222321033 is a deficient number, since it is larger than the sum of its proper divisors (81390215).

13111222321033 is an equidigital number, since it uses as much as digits as its factorization.

13111222321033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81390214.

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

Adding to 13111222321033 its reverse (33012322211131), we get a palindrome (46123544532164).

The spelling of 13111222321033 in words is "thirteen trillion, one hundred eleven billion, two hundred twenty-two million, three hundred twenty-one thousand, thirty-three".