1220220211219 has 2 divisors, whose sum is σ = 1220220211220. Its totient is φ = 1220220211218.

The previous prime is 1220220211181. The next prime is 1220220211241. The reversal of 1220220211219 is 9121120220221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220220211219 - 2¹⁷ = 1220220080147 is a prime.

It is a super-2 number, since 2×1220220211219² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1220220211193 and 1220220211202.

It is not a weakly prime, because it can be changed into another prime (1220220211519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610110105609 + 610110105610.

It is an arithmetic number, because the mean of its divisors is an integer number (610110105610).

Almost surely, 2^{1220220211219} is an apocalyptic number.

1220220211219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220220211219 is an equidigital number, since it uses as much as digits as its factorization.

1220220211219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 1220220211219 in words is "one trillion, two hundred twenty billion, two hundred twenty million, two hundred eleven thousand, two hundred nineteen".