211211011020271 has 2 divisors, whose sum is σ = 211211011020272. Its totient is φ = 211211011020270.

The previous prime is 211211011020193. The next prime is 211211011020323. The reversal of 211211011020271 is 172020110112112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211211011020271 - 2¹⁵ = 211211010987503 is a prime.

It is a super-2 number, since 2×211211011020271² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211211011050271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105605505510135 + 105605505510136.

It is an arithmetic number, because the mean of its divisors is an integer number (105605505510136).

Almost surely, 2^{211211011020271} is an apocalyptic number.

211211011020271 is a deficient number, since it is larger than the sum of its proper divisors (1).

211211011020271 is an equidigital number, since it uses as much as digits as its factorization.

211211011020271 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 22.

Adding to 211211011020271 its reverse (172020110112112), we get a palindrome (383231121132383).

The spelling of 211211011020271 in words is "two hundred eleven trillion, two hundred eleven billion, eleven million, twenty thousand, two hundred seventy-one".