210210002111 has 2 divisors, whose sum is σ = 210210002112. Its totient is φ = 210210002110.

The previous prime is 210210001993. The next prime is 210210002159. The reversal of 210210002111 is 111200012012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210210002111 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 210210002092 and 210210002101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210219002111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105105001055 + 105105001056.

It is an arithmetic number, because the mean of its divisors is an integer number (105105001056).

Almost surely, 2^210210002111 is an apocalyptic number.

210210002111 is a deficient number, since it is larger than the sum of its proper divisors (1).

210210002111 is an equidigital number, since it uses as much as digits as its factorization.

210210002111 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 210210002111 its reverse (111200012012), we get a palindrome (321410014123).

Subtracting from 210210002111 its reverse (111200012012), we obtain a palindrome (99009990099).

The spelling of 210210002111 in words is "two hundred ten billion, two hundred ten million, two thousand, one hundred eleven".