213011011271 has 2 divisors, whose sum is σ = 213011011272. Its totient is φ = 213011011270.

The previous prime is 213011011237. The next prime is 213011011303. The reversal of 213011011271 is 172110110312.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213011011271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213011001271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106505505635 + 106505505636.

It is an arithmetic number, because the mean of its divisors is an integer number (106505505636).

Almost surely, 2^213011011271 is an apocalyptic number.

213011011271 is a deficient number, since it is larger than the sum of its proper divisors (1).

213011011271 is an equidigital number, since it uses as much as digits as its factorization.

213011011271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 20.

Adding to 213011011271 its reverse (172110110312), we get a palindrome (385121121583).

The spelling of 213011011271 in words is "two hundred thirteen billion, eleven million, eleven thousand, two hundred seventy-one".