13521042211 has 4 divisors (see below), whose sum is σ = 13523962752. Its totient is φ = 13518121672.

The previous prime is 13521042187. The next prime is 13521042263. The reversal of 13521042211 is 11224012531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11224012531 = 433 ⋅25921507.

It is a cyclic number.

It is not a de Polignac number, because 13521042211 - 2²⁵ = 13487487779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13521042011) 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, 1453315 + ... + 1462588.

It is an arithmetic number, because the mean of its divisors is an integer number (3380990688).

Almost surely, 2^13521042211 is an apocalyptic number.

13521042211 is a deficient number, since it is larger than the sum of its proper divisors (2920541).

13521042211 is an equidigital number, since it uses as much as digits as its factorization.

13521042211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920540.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 13521042211 its reverse (11224012531), we get a palindrome (24745054742).

The spelling of 13521042211 in words is "thirteen billion, five hundred twenty-one million, forty-two thousand, two hundred eleven".