13453101221 has 8 divisors (see below), whose sum is σ = 16184182080. Its totient is φ = 10924322688.

The previous prime is 13453101197. The next prime is 13453101227. The reversal of 13453101221 is 12210135431.

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

It is not a de Polignac number, because 13453101221 - 2¹⁸ = 13452839077 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 (13453101227) 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, 50575436 + ... + 50575701.

It is an arithmetic number, because the mean of its divisors is an integer number (2023022760).

Almost surely, 2^13453101221 is an apocalyptic number.

It is an amenable number.

13453101221 is a deficient number, since it is larger than the sum of its proper divisors (2731080859).

13453101221 is a wasteful number, since it uses less digits than its factorization.

13453101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101151163.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 13453101221 its reverse (12210135431), we get a palindrome (25663236652).

The spelling of 13453101221 in words is "thirteen billion, four hundred fifty-three million, one hundred one thousand, two hundred twenty-one".