101011235243 has 2 divisors, whose sum is σ = 101011235244. Its totient is φ = 101011235242.

The previous prime is 101011235231. The next prime is 101011235261. The reversal of 101011235243 is 342532110101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101011235243 - 2¹² = 101011231147 is a prime.

It is not a weakly prime, because it can be changed into another prime (101011232243) 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, 50505617621 + 50505617622.

It is an arithmetic number, because the mean of its divisors is an integer number (50505617622).

Almost surely, 2^101011235243 is an apocalyptic number.

101011235243 is a deficient number, since it is larger than the sum of its proper divisors (1).

101011235243 is an equidigital number, since it uses as much as digits as its factorization.

101011235243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 101011235243 its reverse (342532110101), we get a palindrome (443543345344).

The spelling of 101011235243 in words is "one hundred one billion, eleven million, two hundred thirty-five thousand, two hundred forty-three".