212110101000043 has 2 divisors, whose sum is σ = 212110101000044. Its totient is φ = 212110101000042.

The previous prime is 212110100999983. The next prime is 212110101000173. The reversal of 212110101000043 is 340000101011212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212110101000043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212110100999990 and 212110101000026.

It is not a weakly prime, because it can be changed into another prime (212110101040043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106055050500021 + 106055050500022.

It is an arithmetic number, because the mean of its divisors is an integer number (106055050500022).

Almost surely, 2^{212110101000043} is an apocalyptic number.

212110101000043 is a deficient number, since it is larger than the sum of its proper divisors (1).

212110101000043 is an equidigital number, since it uses as much as digits as its factorization.

212110101000043 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 16.

Adding to 212110101000043 its reverse (340000101011212), we get a palindrome (552110202011255).

The spelling of 212110101000043 in words is "two hundred twelve trillion, one hundred ten billion, one hundred one million, forty-three", and thus it is an aban number.