212100611 has 2 divisors, whose sum is σ = 212100612. Its totient is φ = 212100610.

The previous prime is 212100583. The next prime is 212100671. The reversal of 212100611 is 116001212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212100611 - 2⁶ = 212100547 is a prime.

It is equal to p_11711102 and since 212100611 and 11711102 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (212100671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106050305 + 106050306.

It is an arithmetic number, because the mean of its divisors is an integer number (106050306).

Almost surely, 2^212100611 is an apocalyptic number.

212100611 is a deficient number, since it is larger than the sum of its proper divisors (1).

212100611 is an equidigital number, since it uses as much as digits as its factorization.

212100611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 212100611 is about 14563.6743646650. The cubic root of 212100611 is about 596.3675073384.

Adding to 212100611 its reverse (116001212), we get a palindrome (328101823).

The spelling of 212100611 in words is "two hundred twelve million, one hundred thousand, six hundred eleven".