9617051012221 has 4 divisors (see below), whose sum is σ = 9821669118912. Its totient is φ = 9412432905532.

The previous prime is 9617051012171. The next prime is 9617051012227. The reversal of 9617051012221 is 1222101507169.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9617051012221 - 2³³ = 9608461077629 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 (9617051012227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102309053275 + ... + 102309053368.

It is an arithmetic number, because the mean of its divisors is an integer number (2455417279728).

Almost surely, 2^{9617051012221} is an apocalyptic number.

It is an amenable number.

9617051012221 is a deficient number, since it is larger than the sum of its proper divisors (204618106691).

9617051012221 is a wasteful number, since it uses less digits than its factorization.

9617051012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204618106690.

The product of its (nonzero) digits is 15120, while the sum is 37.

The spelling of 9617051012221 in words is "nine trillion, six hundred seventeen billion, fifty-one million, twelve thousand, two hundred twenty-one".