101201120243 has 2 divisors, whose sum is σ = 101201120244. Its totient is φ = 101201120242.

The previous prime is 101201120213. The next prime is 101201120249. The reversal of 101201120243 is 342021102101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101201120243 - 2²⁰ = 101200071667 is a prime.

It is not a weakly prime, because it can be changed into another prime (101201120249) 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, 50600560121 + 50600560122.

It is an arithmetic number, because the mean of its divisors is an integer number (50600560122).

Almost surely, 2^101201120243 is an apocalyptic number.

101201120243 is a deficient number, since it is larger than the sum of its proper divisors (1).

101201120243 is an equidigital number, since it uses as much as digits as its factorization.

101201120243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 101201120243 its reverse (342021102101), we get a palindrome (443222222344).

The spelling of 101201120243 in words is "one hundred one billion, two hundred one million, one hundred twenty thousand, two hundred forty-three".