10101100643 has 2 divisors, whose sum is σ = 10101100644. Its totient is φ = 10101100642.

The previous prime is 10101100571. The next prime is 10101100661. The reversal of 10101100643 is 34600110101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10101100643 - 2¹⁶ = 10101035107 is a prime.

It is not a weakly prime, because it can be changed into another prime (10101102643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050550321 + 5050550322.

It is an arithmetic number, because the mean of its divisors is an integer number (5050550322).

Almost surely, 2^10101100643 is an apocalyptic number.

10101100643 is a deficient number, since it is larger than the sum of its proper divisors (1).

10101100643 is an equidigital number, since it uses as much as digits as its factorization.

10101100643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 10101100643 its reverse (34600110101), we get a palindrome (44701210744).

The spelling of 10101100643 in words is "ten billion, one hundred one million, one hundred thousand, six hundred forty-three".