1220211220219 has 2 divisors, whose sum is σ = 1220211220220. Its totient is φ = 1220211220218.

The previous prime is 1220211220213. The next prime is 1220211220229. The reversal of 1220211220219 is 9120221120221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220211220219 - 2⁵ = 1220211220187 is a prime.

It is a super-3 number, since 3×1220211220219³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1220211220193 and 1220211220202.

It is not a weakly prime, because it can be changed into another prime (1220211220213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610105610109 + 610105610110.

It is an arithmetic number, because the mean of its divisors is an integer number (610105610110).

Almost surely, 2^{1220211220219} is an apocalyptic number.

1220211220219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220211220219 is an equidigital number, since it uses as much as digits as its factorization.

1220211220219 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 1220211220219 in words is "one trillion, two hundred twenty billion, two hundred eleven million, two hundred twenty thousand, two hundred nineteen".