221500106605219 has 8 divisors (see below), whose sum is σ = 238624104736080. Its totient is φ = 204388326816096.

The previous prime is 221500106605207. The next prime is 221500106605249. The reversal of 221500106605219 is 912506601005122.

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 221500106605219 - 2⁵ = 221500106605187 is a prime.

It is a super-2 number, since 2×221500106605219² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221500106605249) 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, 3054547777 + ... + 3054620290.

It is an arithmetic number, because the mean of its divisors is an integer number (29828013092010).

Almost surely, 2^{221500106605219} is an apocalyptic number.

221500106605219 is a deficient number, since it is larger than the sum of its proper divisors (17123998130861).

221500106605219 is a wasteful number, since it uses less digits than its factorization.

221500106605219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6109170869.

The product of its (nonzero) digits is 64800, while the sum is 40.

The spelling of 221500106605219 in words is "two hundred twenty-one trillion, five hundred billion, one hundred six million, six hundred five thousand, two hundred nineteen".