210002011211009 has 2 divisors, whose sum is σ = 210002011211010. Its totient is φ = 210002011211008.

The previous prime is 210002011210967. The next prime is 210002011211011. The reversal of 210002011211009 is 900112110200012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108994184640784 + 101007826570225 = 10440028^2 + 10050265^2 .

It is a cyclic number.

It is not a de Polignac number, because 210002011211009 - 2¹⁶ = 210002011145473 is a prime.

Together with 210002011211011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (210002011211809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105001005605504 + 105001005605505.

It is an arithmetic number, because the mean of its divisors is an integer number (105001005605505).

Almost surely, 2^{210002011211009} is an apocalyptic number.

It is an amenable number.

210002011211009 is a deficient number, since it is larger than the sum of its proper divisors (1).

210002011211009 is an equidigital number, since it uses as much as digits as its factorization.

210002011211009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 210002011211009 in words is "two hundred ten trillion, two billion, eleven million, two hundred eleven thousand, nine".