9702212010221 has 8 divisors (see below), whose sum is σ = 9928042258464. Its totient is φ = 9476390735280.

The previous prime is 9702212010217. The next prime is 9702212010223. The reversal of 9702212010221 is 1220102122079.

9702212010221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9702212010221 - 2² = 9702212010217 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 (9702212010223) 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, 30590 + ... + 4405151.

It is an arithmetic number, because the mean of its divisors is an integer number (1241005282308).

Almost surely, 2^{9702212010221} is an apocalyptic number.

It is an amenable number.

9702212010221 is a deficient number, since it is larger than the sum of its proper divisors (225830248243).

9702212010221 is a wasteful number, since it uses less digits than its factorization.

9702212010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4486651.

The product of its (nonzero) digits is 2016, while the sum is 29.

The spelling of 9702212010221 in words is "nine trillion, seven hundred two billion, two hundred twelve million, ten thousand, two hundred twenty-one".