13333111221013 has 8 divisors (see below), whose sum is σ = 13801137881400. Its totient is φ = 12865635507648.

The previous prime is 13333111220981. The next prime is 13333111221041. The reversal of 13333111221013 is 31012211133331.

It can be written as a sum of positive squares in 4 ways, for example, as 5974299400644 + 7358811820369 = 2444238^2 + 2712713^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13333111221013 - 2⁵ = 13333111220981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13333111221713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137687506 + ... + 137784307.

It is an arithmetic number, because the mean of its divisors is an integer number (1725142235175).

Almost surely, 2^{13333111221013} is an apocalyptic number.

It is an amenable number.

13333111221013 is a deficient number, since it is larger than the sum of its proper divisors (468026660387).

13333111221013 is a wasteful number, since it uses less digits than its factorization.

13333111221013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275473511.

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

Adding to 13333111221013 its reverse (31012211133331), we get a palindrome (44345322354344).

The spelling of 13333111221013 in words is "thirteen trillion, three hundred thirty-three billion, one hundred eleven million, two hundred twenty-one thousand, thirteen".