210211013 has 2 divisors, whose sum is σ = 210211014. Its totient is φ = 210211012.

The previous prime is 210211009. The next prime is 210211033. The reversal of 210211013 is 310112012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 169468324 + 40742689 = 13018^2 + 6383^2 .

It is a cyclic number.

It is not a de Polignac number, because 210211013 - 2² = 210211009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210210985 and 210211003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210211033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105105506 + 105105507.

It is an arithmetic number, because the mean of its divisors is an integer number (105105507).

Almost surely, 2^210211013 is an apocalyptic number.

It is an amenable number.

210211013 is a deficient number, since it is larger than the sum of its proper divisors (1).

210211013 is an equidigital number, since it uses as much as digits as its factorization.

210211013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 210211013 is about 14498.6555583613. The cubic root of 210211013 is about 594.5912151079.

Adding to 210211013 its reverse (310112012), we get a palindrome (520323025).

Subtracting 210211013 from its reverse (310112012), we obtain a palindrome (99900999).

The spelling of 210211013 in words is "two hundred ten million, two hundred eleven thousand, thirteen".