32164112010221 has 4 divisors (see below), whose sum is σ = 32164129335744. Its totient is φ = 32164094684700.

The previous prime is 32164112010197. The next prime is 32164112010223. The reversal of 32164112010221 is 12201021146123.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 32164112010221 - 2³⁸ = 31889234103277 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 (32164112010223) 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 3 ways as a sum of consecutive naturals, for example, 5490965 + ... + 9720026.

It is an arithmetic number, because the mean of its divisors is an integer number (8041032333936).

Almost surely, 2^{32164112010221} is an apocalyptic number.

It is an amenable number.

32164112010221 is a deficient number, since it is larger than the sum of its proper divisors (17325523).

32164112010221 is a wasteful number, since it uses less digits than its factorization.

32164112010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17325522.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 32164112010221 its reverse (12201021146123), we get a palindrome (44365133156344).

The spelling of 32164112010221 in words is "thirty-two trillion, one hundred sixty-four billion, one hundred twelve million, ten thousand, two hundred twenty-one".