213223111271 has 2 divisors, whose sum is σ = 213223111272. Its totient is φ = 213223111270.

The previous prime is 213223111243. The next prime is 213223111307. The reversal of 213223111271 is 172111322312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213223111271 - 2⁶ = 213223111207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213223111271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213223110271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106611555635 + 106611555636.

It is an arithmetic number, because the mean of its divisors is an integer number (106611555636).

Almost surely, 2^213223111271 is an apocalyptic number.

213223111271 is a deficient number, since it is larger than the sum of its proper divisors (1).

213223111271 is an equidigital number, since it uses as much as digits as its factorization.

213223111271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 26.

Adding to 213223111271 its reverse (172111322312), we get a palindrome (385334433583).

The spelling of 213223111271 in words is "two hundred thirteen billion, two hundred twenty-three million, one hundred eleven thousand, two hundred seventy-one".