13013233333221 has 16 divisors (see below), whose sum is σ = 19013219850240. Its totient is φ = 7851441223920.

The previous prime is 13013233333183. The next prime is 13013233333229. The reversal of 13013233333221 is 12233333231031.

It is not a de Polignac number, because 13013233333221 - 2¹⁷ = 13013233202149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13013233333229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 884163951 + ... + 884178668.

It is an arithmetic number, because the mean of its divisors is an integer number (1188326240640).

Almost surely, 2^{13013233333221} is an apocalyptic number.

13013233333221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13013233333221 is a deficient number, since it is larger than the sum of its proper divisors (5999986517019).

13013233333221 is a wasteful number, since it uses less digits than its factorization.

13013233333221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768342856.

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 13013233333221 its reverse (12233333231031), we get a palindrome (25246566564252).

The spelling of 13013233333221 in words is "thirteen trillion, thirteen billion, two hundred thirty-three million, three hundred thirty-three thousand, two hundred twenty-one".