2001222200179 has 2 divisors, whose sum is σ = 2001222200180. Its totient is φ = 2001222200178.

The previous prime is 2001222200149. The next prime is 2001222200189. The reversal of 2001222200179 is 9710022221002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2001222200179 - 2¹³ = 2001222191987 is a prime.

It is not a weakly prime, because it can be changed into another prime (2001222200149) 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, 1000611100089 + 1000611100090.

It is an arithmetic number, because the mean of its divisors is an integer number (1000611100090).

Almost surely, 2^{2001222200179} is an apocalyptic number.

2001222200179 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001222200179 is an equidigital number, since it uses as much as digits as its factorization.

2001222200179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The spelling of 2001222200179 in words is "two trillion, one billion, two hundred twenty-two million, two hundred thousand, one hundred seventy-nine".