220021001219 has 2 divisors, whose sum is σ = 220021001220. Its totient is φ = 220021001218.

The previous prime is 220021001177. The next prime is 220021001227. The reversal of 220021001219 is 912100120022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220021001219 - 2¹² = 220020997123 is a prime.

It is a super-2 number, since 2×220021001219² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220021001219.

It is not a weakly prime, because it can be changed into another prime (220021001269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110010500609 + 110010500610.

It is an arithmetic number, because the mean of its divisors is an integer number (110010500610).

Almost surely, 2^220021001219 is an apocalyptic number.

220021001219 is a deficient number, since it is larger than the sum of its proper divisors (1).

220021001219 is an equidigital number, since it uses as much as digits as its factorization.

220021001219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 220021001219 in words is "two hundred twenty billion, twenty-one million, one thousand, two hundred nineteen".