2111213223271 has 2 divisors, whose sum is σ = 2111213223272. Its totient is φ = 2111213223270.

The previous prime is 2111213223257. The next prime is 2111213223319. The reversal of 2111213223271 is 1723223121112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2111213223271 - 2¹⁷ = 2111213092199 is a prime.

It is a super-2 number, since 2×2111213223271² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111213227271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055606611635 + 1055606611636.

It is an arithmetic number, because the mean of its divisors is an integer number (1055606611636).

Almost surely, 2^{2111213223271} is an apocalyptic number.

2111213223271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111213223271 is an equidigital number, since it uses as much as digits as its factorization.

2111213223271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 28.

Adding to 2111213223271 its reverse (1723223121112), we get a palindrome (3834436344383).

The spelling of 2111213223271 in words is "two trillion, one hundred eleven billion, two hundred thirteen million, two hundred twenty-three thousand, two hundred seventy-one".