13333111121201 has 4 divisors (see below), whose sum is σ = 13391334314100. Its totient is φ = 13274887928304.

The previous prime is 13333111121189. The next prime is 13333111121203. The reversal of 13333111121201 is 10212111133331.

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 10841609875600 + 2491501245601 = 3292660^2 + 1578449^2 .

It is a cyclic number.

It is not a de Polignac number, because 13333111121201 - 2¹⁰ = 13333111120177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13333111121203) 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, 29111596106 + ... + 29111596563.

It is an arithmetic number, because the mean of its divisors is an integer number (3347833578525).

Almost surely, 2^{13333111121201} is an apocalyptic number.

It is an amenable number.

13333111121201 is a deficient number, since it is larger than the sum of its proper divisors (58223192899).

13333111121201 is an equidigital number, since it uses as much as digits as its factorization.

13333111121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58223192898.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 13333111121201 its reverse (10212111133331), we get a palindrome (23545222254532).

The spelling of 13333111121201 in words is "thirteen trillion, three hundred thirty-three billion, one hundred eleven million, one hundred twenty-one thousand, two hundred one".