13111122033331 has 4 divisors (see below), whose sum is σ = 14984139466672. Its totient is φ = 11238104599992.

The previous prime is 13111122033323. The next prime is 13111122033341. The reversal of 13111122033331 is 13333022111131.

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 13111122033331 - 2³ = 13111122033323 is a prime.

It is a super-2 number, since 2×13111122033331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13111122033296 and 13111122033305.

It is not an unprimeable number, because it can be changed into a prime (13111122033301) 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, 936508716660 + ... + 936508716673.

It is an arithmetic number, because the mean of its divisors is an integer number (3746034866668).

Almost surely, 2^{13111122033331} is an apocalyptic number.

13111122033331 is a deficient number, since it is larger than the sum of its proper divisors (1873017433341).

13111122033331 is an equidigital number, since it uses as much as digits as its factorization.

13111122033331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1873017433340.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 13111122033331 its reverse (13333022111131), we get a palindrome (26444144144462).

The spelling of 13111122033331 in words is "thirteen trillion, one hundred eleven billion, one hundred twenty-two million, thirty-three thousand, three hundred thirty-one".