211043131027 has 2 divisors, whose sum is σ = 211043131028. Its totient is φ = 211043131026.

The previous prime is 211043130997. The next prime is 211043131111. The reversal of 211043131027 is 720131340112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211043131027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211043130992 and 211043131010.

It is not a weakly prime, because it can be changed into another prime (211043231027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105521565513 + 105521565514.

It is an arithmetic number, because the mean of its divisors is an integer number (105521565514).

Almost surely, 2^211043131027 is an apocalyptic number.

211043131027 is a deficient number, since it is larger than the sum of its proper divisors (1).

211043131027 is an equidigital number, since it uses as much as digits as its factorization.

211043131027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 211043131027 its reverse (720131340112), we get a palindrome (931174471139).

The spelling of 211043131027 in words is "two hundred eleven billion, forty-three million, one hundred thirty-one thousand, twenty-seven".