212110210001 has 2 divisors, whose sum is σ = 212110210002. Its totient is φ = 212110210000.

The previous prime is 212110209937. The next prime is 212110210031. The reversal of 212110210001 is 100012011212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203563392400 + 8546817601 = 451180^2 + 92449^2 .

It is a cyclic number.

It is not a de Polignac number, because 212110210001 - 2⁶ = 212110209937 is a prime.

It is not a weakly prime, because it can be changed into another prime (212110210031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106055105000 + 106055105001.

It is an arithmetic number, because the mean of its divisors is an integer number (106055105001).

Almost surely, 2^212110210001 is an apocalyptic number.

It is an amenable number.

212110210001 is a deficient number, since it is larger than the sum of its proper divisors (1).

212110210001 is an equidigital number, since it uses as much as digits as its factorization.

212110210001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 212110210001 its reverse (100012011212), we get a palindrome (312122221213).

The spelling of 212110210001 in words is "two hundred twelve billion, one hundred ten million, two hundred ten thousand, one".