13224031101121 has 4 divisors (see below), whose sum is σ = 13242682767700. Its totient is φ = 13205379434544.

The previous prime is 13224031101097. The next prime is 13224031101167. The reversal of 13224031101121 is 12110113042231.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4963810217521 + 8260220883600 = 2227961^2 + 2874060^2 .

It is a cyclic number.

It is not a de Polignac number, because 13224031101121 - 2³¹ = 13221883617473 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13224031101092 and 13224031101101.

It is not an unprimeable number, because it can be changed into a prime (13224031101521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9325832226 + ... + 9325833643.

It is an arithmetic number, because the mean of its divisors is an integer number (3310670691925).

Almost surely, 2^{13224031101121} is an apocalyptic number.

It is an amenable number.

13224031101121 is a deficient number, since it is larger than the sum of its proper divisors (18651666579).

13224031101121 is an equidigital number, since it uses as much as digits as its factorization.

13224031101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18651666578.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 13224031101121 its reverse (12110113042231), we get a palindrome (25334144143352).

The spelling of 13224031101121 in words is "thirteen trillion, two hundred twenty-four billion, thirty-one million, one hundred one thousand, one hundred twenty-one".