2101211179 has 2 divisors, whose sum is σ = 2101211180. Its totient is φ = 2101211178.

The previous prime is 2101211141. The next prime is 2101211239. The reversal of 2101211179 is 9711121012.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2101211179 is a prime.

It is not a weakly prime, because it can be changed into another prime (2101211579) 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, 1050605589 + 1050605590.

It is an arithmetic number, because the mean of its divisors is an integer number (1050605590).

Almost surely, 2^2101211179 is an apocalyptic number.

2101211179 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101211179 is an equidigital number, since it uses as much as digits as its factorization.

2101211179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 25.

The square root of 2101211179 is about 45838.9700909608. The cubic root of 2101211179 is about 1280.8253098296.

The spelling of 2101211179 in words is "two billion, one hundred one million, two hundred eleven thousand, one hundred seventy-nine".