222220121222179 has 2 divisors, whose sum is σ = 222220121222180. Its totient is φ = 222220121222178.

The previous prime is 222220121222129. The next prime is 222220121222221. The reversal of 222220121222179 is 971222121022222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222220121222179 - 2¹⁷ = 222220121091107 is a prime.

It is not a weakly prime, because it can be changed into another prime (222220121222129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111110060611089 + 111110060611090.

It is an arithmetic number, because the mean of its divisors is an integer number (111110060611090).

Almost surely, 2^{222220121222179} is an apocalyptic number.

222220121222179 is a deficient number, since it is larger than the sum of its proper divisors (1).

222220121222179 is an equidigital number, since it uses as much as digits as its factorization.

222220121222179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 222220121222179 in words is "two hundred twenty-two trillion, two hundred twenty billion, one hundred twenty-one million, two hundred twenty-two thousand, one hundred seventy-nine".