2010020100043 has 2 divisors, whose sum is σ = 2010020100044. Its totient is φ = 2010020100042.

The previous prime is 2010020100031. The next prime is 2010020100071. The reversal of 2010020100043 is 3400010200102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2010020100043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2010020099996 and 2010020100032.

It is not a weakly prime, because it can be changed into another prime (2010020100083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005010050021 + 1005010050022.

It is an arithmetic number, because the mean of its divisors is an integer number (1005010050022).

Almost surely, 2^{2010020100043} is an apocalyptic number.

2010020100043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010020100043 is an equidigital number, since it uses as much as digits as its factorization.

2010020100043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 2010020100043 its reverse (3400010200102), we get a palindrome (5410030300145).

The spelling of 2010020100043 in words is "two trillion, ten billion, twenty million, one hundred thousand, forty-three".