10020120221171 has 2 divisors, whose sum is σ = 10020120221172. Its totient is φ = 10020120221170.

The previous prime is 10020120221093. The next prime is 10020120221233. The reversal of 10020120221171 is 17112202102001.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (17112202102001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10020120221171 - 2¹⁸ = 10020119959027 is a prime.

It is a super-2 number, since 2×10020120221171² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10020120224171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010060110585 + 5010060110586.

It is an arithmetic number, because the mean of its divisors is an integer number (5010060110586).

Almost surely, 2^{10020120221171} is an apocalyptic number.

10020120221171 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020120221171 is an equidigital number, since it uses as much as digits as its factorization.

10020120221171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 10020120221171 its reverse (17112202102001), we get a palindrome (27132322323172).

The spelling of 10020120221171 in words is "ten trillion, twenty billion, one hundred twenty million, two hundred twenty-one thousand, one hundred seventy-one".