210011012221271 has 2 divisors, whose sum is σ = 210011012221272. Its totient is φ = 210011012221270.

The previous prime is 210011012221229. The next prime is 210011012221291. The reversal of 210011012221271 is 172122210110012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210011012221271 - 2²⁶ = 210010945112407 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210011012221291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105005506110635 + 105005506110636.

It is an arithmetic number, because the mean of its divisors is an integer number (105005506110636).

Almost surely, 2^{210011012221271} is an apocalyptic number.

210011012221271 is a deficient number, since it is larger than the sum of its proper divisors (1).

210011012221271 is an equidigital number, since it uses as much as digits as its factorization.

210011012221271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 210011012221271 its reverse (172122210110012), we get a palindrome (382133222331283).

The spelling of 210011012221271 in words is "two hundred ten trillion, eleven billion, twelve million, two hundred twenty-one thousand, two hundred seventy-one".