32002221021 has 8 divisors (see below), whose sum is σ = 42686364864. Its totient is φ = 21326445600.

The previous prime is 32002221007. The next prime is 32002221049. The reversal of 32002221021 is 12012220023.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 32002221021 - 2²³ = 31993832413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32002221001) 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 7 ways as a sum of consecutive naturals, for example, 2083176 + ... + 2098481.

It is an arithmetic number, because the mean of its divisors is an integer number (5335795608).

Almost surely, 2^32002221021 is an apocalyptic number.

It is an amenable number.

32002221021 is a deficient number, since it is larger than the sum of its proper divisors (10684143843).

32002221021 is a wasteful number, since it uses less digits than its factorization.

32002221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4184211.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 32002221021 its reverse (12012220023), we get a palindrome (44014441044).

The spelling of 32002221021 in words is "thirty-two billion, two million, two hundred twenty-one thousand, twenty-one".