210120220101271 has 2 divisors, whose sum is σ = 210120220101272. Its totient is φ = 210120220101270.

The previous prime is 210120220101257. The next prime is 210120220101307. The reversal of 210120220101271 is 172101022021012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210120220101271 - 2³⁹ = 209570464287383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210120220101371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105060110050635 + 105060110050636.

It is an arithmetic number, because the mean of its divisors is an integer number (105060110050636).

Almost surely, 2^{210120220101271} is an apocalyptic number.

210120220101271 is a deficient number, since it is larger than the sum of its proper divisors (1).

210120220101271 is an equidigital number, since it uses as much as digits as its factorization.

210120220101271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 210120220101271 its reverse (172101022021012), we get a palindrome (382221242122283).

The spelling of 210120220101271 in words is "two hundred ten trillion, one hundred twenty billion, two hundred twenty million, one hundred one thousand, two hundred seventy-one".