101242202443 has 2 divisors, whose sum is σ = 101242202444. Its totient is φ = 101242202442.

The previous prime is 101242202437. The next prime is 101242202459. The reversal of 101242202443 is 344202242101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101242202443 is a prime.

It is not a weakly prime, because it can be changed into another prime (101242202143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50621101221 + 50621101222.

It is an arithmetic number, because the mean of its divisors is an integer number (50621101222).

Almost surely, 2^101242202443 is an apocalyptic number.

101242202443 is a deficient number, since it is larger than the sum of its proper divisors (1).

101242202443 is an equidigital number, since it uses as much as digits as its factorization.

101242202443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 101242202443 its reverse (344202242101), we get a palindrome (445444444544).

The spelling of 101242202443 in words is "one hundred one billion, two hundred forty-two million, two hundred two thousand, four hundred forty-three".