221020000120219 has 8 divisors (see below), whose sum is σ = 221126890494240. Its totient is φ = 220913129074176.

The previous prime is 221020000120133. The next prime is 221020000120243. The reversal of 221020000120219 is 912021000020122.

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 221020000120219 - 2²¹ = 221019998023067 is a prime.

It is a super-2 number, since 2×221020000120219² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221020000120219.

It is not an unprimeable number, because it can be changed into a prime (221020000100219) 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, 18070242 + ... + 27723160.

It is an arithmetic number, because the mean of its divisors is an integer number (27640861311780).

Almost surely, 2^{221020000120219} is an apocalyptic number.

221020000120219 is a deficient number, since it is larger than the sum of its proper divisors (106890374021).

221020000120219 is an equidigital number, since it uses as much as digits as its factorization.

221020000120219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9663989.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 221020000120219 in words is "two hundred twenty-one trillion, twenty billion, one hundred twenty thousand, two hundred nineteen".