1220222111299 has 2 divisors, whose sum is σ = 1220222111300. Its totient is φ = 1220222111298.

The previous prime is 1220222111293. The next prime is 1220222111323. The reversal of 1220222111299 is 9921112220221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220222111299 - 2³ = 1220222111291 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220222111291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610111055649 + 610111055650.

It is an arithmetic number, because the mean of its divisors is an integer number (610111055650).

Almost surely, 2^{1220222111299} is an apocalyptic number.

1220222111299 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220222111299 is an equidigital number, since it uses as much as digits as its factorization.

1220222111299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 34.

The spelling of 1220222111299 in words is "one trillion, two hundred twenty billion, two hundred twenty-two million, one hundred eleven thousand, two hundred ninety-nine".