20211012200179 has 2 divisors, whose sum is σ = 20211012200180. Its totient is φ = 20211012200178.

The previous prime is 20211012200167. The next prime is 20211012200213. The reversal of 20211012200179 is 97100221011202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20211012200179 - 2¹⁹ = 20211011675891 is a prime.

It is not a weakly prime, because it can be changed into another prime (20211012200279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105506100089 + 10105506100090.

It is an arithmetic number, because the mean of its divisors is an integer number (10105506100090).

Almost surely, 2^{20211012200179} is an apocalyptic number.

20211012200179 is a deficient number, since it is larger than the sum of its proper divisors (1).

20211012200179 is an equidigital number, since it uses as much as digits as its factorization.

20211012200179 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 28.

The spelling of 20211012200179 in words is "twenty trillion, two hundred eleven billion, twelve million, two hundred thousand, one hundred seventy-nine".