13132021021221 has 8 divisors (see below), whose sum is σ = 17582014314304. Its totient is φ = 8718354204480.

The previous prime is 13132021021201. The next prime is 13132021021241. The reversal of 13132021021221 is 12212012023131.

It is an interprime number because it is at equal distance from previous prime (13132021021201) and next prime (13132021021241).

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

It is not a de Polignac number, because 13132021021221 - 2⁶ = 13132021021157 is a prime.

It is a super-3 number, since 3×13132021021221³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13132021021201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9081618241 + ... + 9081619686.

It is an arithmetic number, because the mean of its divisors is an integer number (2197751789288).

Almost surely, 2^{13132021021221} is an apocalyptic number.

It is an amenable number.

13132021021221 is a deficient number, since it is larger than the sum of its proper divisors (4449993293083).

13132021021221 is a wasteful number, since it uses less digits than its factorization.

13132021021221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18163238171.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 13132021021221 its reverse (12212012023131), we get a palindrome (25344033044352).

The spelling of 13132021021221 in words is "thirteen trillion, one hundred thirty-two billion, twenty-one million, twenty-one thousand, two hundred twenty-one".