32231121320021 has 8 divisors (see below), whose sum is σ = 34711032696984. Its totient is φ = 29751294850560.

The previous prime is 32231121320003. The next prime is 32231121320063. The reversal of 32231121320021 is 12002312113223.

It can be written as a sum of positive squares in 4 ways, for example, as 10412076900625 + 21819044419396 = 3226775^2 + 4671086^2 .

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 32231121320021 - 2³⁴ = 32213941450837 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 (32231121320081) 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, 20437376 + ... + 21957881.

It is an arithmetic number, because the mean of its divisors is an integer number (4338879087123).

Almost surely, 2^{32231121320021} is an apocalyptic number.

It is an amenable number.

32231121320021 is a deficient number, since it is larger than the sum of its proper divisors (2479911376963).

32231121320021 is a wasteful number, since it uses less digits than its factorization.

32231121320021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42453751.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 32231121320021 its reverse (12002312113223), we get a palindrome (44233433433244).

The spelling of 32231121320021 in words is "thirty-two trillion, two hundred thirty-one billion, one hundred twenty-one million, three hundred twenty thousand, twenty-one".