500216512221 has 48 divisors (see below), whose sum is σ = 751252320000. Its totient is φ = 320343408000.

The previous prime is 500216512183. The next prime is 500216512249. The reversal of 500216512221 is 122215612005.

500216512221 is a `hidden beast` number, since 5 + 0 + 0 + 2 + 1 + 651 + 2 + 2 + 2 + 1 = 666.

It is not a de Polignac number, because 500216512221 - 2¹⁴ = 500216495837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500216512021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68062255 + ... + 68069603.

It is an arithmetic number, because the mean of its divisors is an integer number (15651090000).

Almost surely, 2^500216512221 is an apocalyptic number.

It is an amenable number.

500216512221 is a deficient number, since it is larger than the sum of its proper divisors (251035807779).

500216512221 is a wasteful number, since it uses less digits than its factorization.

500216512221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8674 (or 8671 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The spelling of 500216512221 in words is "five hundred billion, two hundred sixteen million, five hundred twelve thousand, two hundred twenty-one".