2132001331221 has 16 divisors (see below), whose sum is σ = 3106977274368. Its totient is φ = 1294573862400.

The previous prime is 2132001331211. The next prime is 2132001331247. The reversal of 2132001331221 is 1221331002312.

It is not a de Polignac number, because 2132001331221 - 2⁷ = 2132001331093 is a prime.

It is a super-2 number, since 2×2132001331221² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132001331211) 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 15 ways as a sum of consecutive naturals, for example, 674255640 + ... + 674258801.

It is an arithmetic number, because the mean of its divisors is an integer number (194186079648).

Almost surely, 2^{2132001331221} is an apocalyptic number.

It is an amenable number.

2132001331221 is a deficient number, since it is larger than the sum of its proper divisors (974975943147).

2132001331221 is a wasteful number, since it uses less digits than its factorization.

2132001331221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348514492.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2132001331221 its reverse (1221331002312), we get a palindrome (3353332333533).

The spelling of 2132001331221 in words is "two trillion, one hundred thirty-two billion, one million, three hundred thirty-one thousand, two hundred twenty-one".