2221201020179 has 2 divisors, whose sum is σ = 2221201020180. Its totient is φ = 2221201020178.

The previous prime is 2221201020149. The next prime is 2221201020263. The reversal of 2221201020179 is 9710201021222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2221201020179 is a prime.

It is not a weakly prime, because it can be changed into another prime (2221201020109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110600510089 + 1110600510090.

It is an arithmetic number, because the mean of its divisors is an integer number (1110600510090).

Almost surely, 2^{2221201020179} is an apocalyptic number.

2221201020179 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221201020179 is an equidigital number, since it uses as much as digits as its factorization.

2221201020179 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 29.

The spelling of 2221201020179 in words is "two trillion, two hundred twenty-one billion, two hundred one million, twenty thousand, one hundred seventy-nine".