21241101179 has 2 divisors, whose sum is σ = 21241101180. Its totient is φ = 21241101178.

The previous prime is 21241101139. The next prime is 21241101223. The reversal of 21241101179 is 97110114212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21241101179 - 2²⁴ = 21224323963 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (21241101139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10620550589 + 10620550590.

It is an arithmetic number, because the mean of its divisors is an integer number (10620550590).

Almost surely, 2^21241101179 is an apocalyptic number.

21241101179 is a deficient number, since it is larger than the sum of its proper divisors (1).

21241101179 is an equidigital number, since it uses as much as digits as its factorization.

21241101179 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 21241101179 in words is "twenty-one billion, two hundred forty-one million, one hundred one thousand, one hundred seventy-nine".