2100010209971 has 2 divisors, whose sum is σ = 2100010209972. Its totient is φ = 2100010209970.

The previous prime is 2100010209953. The next prime is 2100010210031. The reversal of 2100010209971 is 1799020100012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2100010209971 - 2¹⁴ = 2100010193587 is a prime.

It is not a weakly prime, because it can be changed into another prime (2100010209931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050005104985 + 1050005104986.

It is an arithmetic number, because the mean of its divisors is an integer number (1050005104986).

Almost surely, 2^{2100010209971} is an apocalyptic number.

2100010209971 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100010209971 is an equidigital number, since it uses as much as digits as its factorization.

2100010209971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 32.

Adding to 2100010209971 its reverse (1799020100012), we get a palindrome (3899030309983).

The spelling of 2100010209971 in words is "two trillion, one hundred billion, ten million, two hundred nine thousand, nine hundred seventy-one".