13333220021201 has 4 divisors (see below), whose sum is σ = 13333265570100. Its totient is φ = 13333174472304.

The previous prime is 13333220021129. The next prime is 13333220021267. The reversal of 13333220021201 is 10212002233331.

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 6780029614801 + 6553190406400 = 2603849^2 + 2559920^2 .

It is a cyclic number.

It is not a de Polignac number, because 13333220021201 - 2²² = 13333215826897 is a prime.

It is a super-2 number, since 2×13333220021201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13333220020201) 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, 22332506 + ... + 22921763.

It is an arithmetic number, because the mean of its divisors is an integer number (3333316392525).

Almost surely, 2^{13333220021201} is an apocalyptic number.

It is an amenable number.

13333220021201 is a deficient number, since it is larger than the sum of its proper divisors (45548899).

13333220021201 is an equidigital number, since it uses as much as digits as its factorization.

13333220021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45548898.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 13333220021201 its reverse (10212002233331), we get a palindrome (23545222254532).

The spelling of 13333220021201 in words is "thirteen trillion, three hundred thirty-three billion, two hundred twenty million, twenty-one thousand, two hundred one".