13221102133021 has 8 divisors (see below), whose sum is σ = 13269938104064. Its totient is φ = 13172308175520.

The previous prime is 13221102133013. The next prime is 13221102133097. The reversal of 13221102133021 is 12033120112231.

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

It is a cyclic number.

It is not a de Polignac number, because 13221102133021 - 2³ = 13221102133013 is a prime.

It is a super-2 number, since 2×13221102133021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13221102132983 and 13221102133001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13221102133721) 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, 9872781 + ... + 11131666.

It is an arithmetic number, because the mean of its divisors is an integer number (1658742263008).

Almost surely, 2^{13221102133021} is an apocalyptic number.

It is an amenable number.

13221102133021 is a deficient number, since it is larger than the sum of its proper divisors (48835971043).

13221102133021 is a wasteful number, since it uses less digits than its factorization.

13221102133021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21006771.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 13221102133021 its reverse (12033120112231), we get a palindrome (25254222245252).

The spelling of 13221102133021 in words is "thirteen trillion, two hundred twenty-one billion, one hundred two million, one hundred thirty-three thousand, twenty-one".