32021002102021 has 4 divisors (see below), whose sum is σ = 32021283129100. Its totient is φ = 32020721074944.

The previous prime is 32021002102007. The next prime is 32021002102039. The reversal of 32021002102021 is 12020120012023.

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 18567144899521 + 13453857202500 = 4308961^2 + 3667950^2 .

It is a cyclic number.

It is not a de Polignac number, because 32021002102021 - 2⁹ = 32021002101509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32021002101986 and 32021002102004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32021002102321) 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, 140342556 + ... + 140570533.

It is an arithmetic number, because the mean of its divisors is an integer number (8005320782275).

Almost surely, 2^{32021002102021} is an apocalyptic number.

It is an amenable number.

32021002102021 is a deficient number, since it is larger than the sum of its proper divisors (281027079).

32021002102021 is a wasteful number, since it uses less digits than its factorization.

32021002102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281027078.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 32021002102021 its reverse (12020120012023), we get a palindrome (44041122114044).

The spelling of 32021002102021 in words is "thirty-two trillion, twenty-one billion, two million, one hundred two thousand, twenty-one".