32321312111021 has 4 divisors (see below), whose sum is σ = 32607341421852. Its totient is φ = 32035282800192.

The previous prime is 32321312111017. The next prime is 32321312111057. The reversal of 32321312111021 is 12011121312323.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12476514548521 + 19844797562500 = 3532211^2 + 4454750^2 .

It is a cyclic number.

It is not a de Polignac number, because 32321312111021 - 2² = 32321312111017 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 (32321312111821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143014655246 + ... + 143014655471.

It is an arithmetic number, because the mean of its divisors is an integer number (8151835355463).

Almost surely, 2^{32321312111021} is an apocalyptic number.

It is an amenable number.

32321312111021 is a deficient number, since it is larger than the sum of its proper divisors (286029310831).

32321312111021 is a wasteful number, since it uses less digits than its factorization.

32321312111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286029310830.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 32321312111021 its reverse (12011121312323), we get a palindrome (44332433423344).

The spelling of 32321312111021 in words is "thirty-two trillion, three hundred twenty-one billion, three hundred twelve million, one hundred eleven thousand, twenty-one".