211400027 has 2 divisors, whose sum is σ = 211400028. Its totient is φ = 211400026.

The previous prime is 211400003. The next prime is 211400081. The reversal of 211400027 is 720004112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211400027 - 2⁶ = 211399963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211399978 and 211400014.

It is not a weakly prime, because it can be changed into another prime (211408027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105700013 + 105700014.

It is an arithmetic number, because the mean of its divisors is an integer number (105700014).

Almost surely, 2^211400027 is an apocalyptic number.

211400027 is a deficient number, since it is larger than the sum of its proper divisors (1).

211400027 is an equidigital number, since it uses as much as digits as its factorization.

211400027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 211400027 is about 14539.6020234393. The cubic root of 211400027 is about 595.7101677359.

Adding to 211400027 its reverse (720004112), we get a palindrome (931404139).

The spelling of 211400027 in words is "two hundred eleven million, four hundred thousand, twenty-seven".