1220022221179 has 2 divisors, whose sum is σ = 1220022221180. Its totient is φ = 1220022221178.

The previous prime is 1220022221149. The next prime is 1220022221279. The reversal of 1220022221179 is 9711222200221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220022221179 - 2⁹ = 1220022220667 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1220022221179.

It is not a weakly prime, because it can be changed into another prime (1220022221149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610011110589 + 610011110590.

It is an arithmetic number, because the mean of its divisors is an integer number (610011110590).

Almost surely, 2^{1220022221179} is an apocalyptic number.

1220022221179 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220022221179 is an equidigital number, since it uses as much as digits as its factorization.

1220022221179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 1220022221179 in words is "one trillion, two hundred twenty billion, twenty-two million, two hundred twenty-one thousand, one hundred seventy-nine".