201020121021179 has 2 divisors, whose sum is σ = 201020121021180. Its totient is φ = 201020121021178.

The previous prime is 201020121021163. The next prime is 201020121021217. The reversal of 201020121021179 is 971120121020102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201020121021179 - 2⁴ = 201020121021163 is a prime.

It is not a weakly prime, because it can be changed into another prime (201020121021119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100510060510589 + 100510060510590.

It is an arithmetic number, because the mean of its divisors is an integer number (100510060510590).

Almost surely, 2^{201020121021179} is an apocalyptic number.

201020121021179 is a deficient number, since it is larger than the sum of its proper divisors (1).

201020121021179 is an equidigital number, since it uses as much as digits as its factorization.

201020121021179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 29.

The spelling of 201020121021179 in words is "two hundred one trillion, twenty billion, one hundred twenty-one million, twenty-one thousand, one hundred seventy-nine".