211210210220027 has 2 divisors, whose sum is σ = 211210210220028. Its totient is φ = 211210210220026.

The previous prime is 211210210220011. The next prime is 211210210220063. The reversal of 211210210220027 is 720022012012112.

211210210220027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211210210220027 - 2⁴ = 211210210220011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211210210219984 and 211210210220011.

It is not a weakly prime, because it can be changed into another prime (211210210220077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105605105110013 + 105605105110014.

It is an arithmetic number, because the mean of its divisors is an integer number (105605105110014).

Almost surely, 2^{211210210220027} is an apocalyptic number.

211210210220027 is a deficient number, since it is larger than the sum of its proper divisors (1).

211210210220027 is an equidigital number, since it uses as much as digits as its factorization.

211210210220027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 211210210220027 its reverse (720022012012112), we get a palindrome (931232222232139).

The spelling of 211210210220027 in words is "two hundred eleven trillion, two hundred ten billion, two hundred ten million, two hundred twenty thousand, twenty-seven".