7021004330221 has 8 divisors (see below), whose sum is σ = 8028661959104. Its totient is φ = 6014510953920.

The previous prime is 7021004330209. The next prime is 7021004330239. The reversal of 7021004330221 is 1220334001207.

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 7021004330221 - 2³⁹ = 6471248516333 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 (7021004330321) 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, 291050220 + ... + 291074341.

It is an arithmetic number, because the mean of its divisors is an integer number (1003582744888).

Almost surely, 2^{7021004330221} is an apocalyptic number.

It is an amenable number.

7021004330221 is a deficient number, since it is larger than the sum of its proper divisors (1007657628883).

7021004330221 is a wasteful number, since it uses less digits than its factorization.

7021004330221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582126291.

The product of its (nonzero) digits is 2016, while the sum is 25.

Adding to 7021004330221 its reverse (1220334001207), we get a palindrome (8241338331428).

The spelling of 7021004330221 in words is "seven trillion, twenty-one billion, four million, three hundred thirty thousand, two hundred twenty-one".