659121002221 has 8 divisors (see below), whose sum is σ = 719108629344. Its totient is φ = 599144631120.

The previous prime is 659121002207. The next prime is 659121002227. The reversal of 659121002221 is 122200121956.

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 659121002221 - 2⁹ = 659121001709 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 (659121002227) 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, 2691330 + ... + 2926003.

It is an arithmetic number, because the mean of its divisors is an integer number (89888578668).

Almost surely, 2^659121002221 is an apocalyptic number.

It is an amenable number.

659121002221 is a deficient number, since it is larger than the sum of its proper divisors (59987627123).

659121002221 is a wasteful number, since it uses less digits than its factorization.

659121002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5628011.

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 659121002221 in words is "six hundred fifty-nine billion, one hundred twenty-one million, two thousand, two hundred twenty-one".