101200201099979 has 2 divisors, whose sum is σ = 101200201099980. Its totient is φ = 101200201099978.

The previous prime is 101200201099973. The next prime is 101200201099997. The reversal of 101200201099979 is 979990102002101.

Together with next prime (101200201099997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101200201099979 is a prime.

It is not a weakly prime, because it can be changed into another prime (101200201099973) 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, 50600100549989 + 50600100549990.

It is an arithmetic number, because the mean of its divisors is an integer number (50600100549990).

Almost surely, 2^{101200201099979} is an apocalyptic number.

101200201099979 is a deficient number, since it is larger than the sum of its proper divisors (1).

101200201099979 is an equidigital number, since it uses as much as digits as its factorization.

101200201099979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 183708, while the sum is 50.

The spelling of 101200201099979 in words is "one hundred one trillion, two hundred billion, two hundred one million, ninety-nine thousand, nine hundred seventy-nine".