21000112001179 has 2 divisors, whose sum is σ = 21000112001180. Its totient is φ = 21000112001178.

The previous prime is 21000112001173. The next prime is 21000112001191. The reversal of 21000112001179 is 97110021100012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21000112001179 - 2¹⁷ = 21000111870107 is a prime.

It is not a weakly prime, because it can be changed into another prime (21000112001173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10500056000589 + 10500056000590.

It is an arithmetic number, because the mean of its divisors is an integer number (10500056000590).

Almost surely, 2^{21000112001179} is an apocalyptic number.

21000112001179 is a deficient number, since it is larger than the sum of its proper divisors (1).

21000112001179 is an equidigital number, since it uses as much as digits as its factorization.

21000112001179 is an evil number, because the sum of its binary digits is even.

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

The spelling of 21000112001179 in words is "twenty-one trillion, one hundred twelve million, one thousand, one hundred seventy-nine".