101102020043 has 2 divisors, whose sum is σ = 101102020044. Its totient is φ = 101102020042.

The previous prime is 101102019947. The next prime is 101102020057. The reversal of 101102020043 is 340020201101.

It is an a-pointer prime, because the next prime (101102020057) can be obtained adding 101102020043 to its sum of digits (14).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101102020043 - 2¹⁰ = 101102019019 is a prime.

It is not a weakly prime, because it can be changed into another prime (101102020343) 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, 50551010021 + 50551010022.

It is an arithmetic number, because the mean of its divisors is an integer number (50551010022).

Almost surely, 2^101102020043 is an apocalyptic number.

101102020043 is a deficient number, since it is larger than the sum of its proper divisors (1).

101102020043 is an equidigital number, since it uses as much as digits as its factorization.

101102020043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 101102020043 its reverse (340020201101), we get a palindrome (441122221144).

The spelling of 101102020043 in words is "one hundred one billion, one hundred two million, twenty thousand, forty-three".