10222111000121 has 2 divisors, whose sum is σ = 10222111000122. Its totient is φ = 10222111000120.

The previous prime is 10222111000097. The next prime is 10222111000159. The reversal of 10222111000121 is 12100011122201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10207616044096 + 14494956025 = 3194936^2 + 120395^2 .

It is a cyclic number.

It is not a de Polignac number, because 10222111000121 - 2¹⁰ = 10222110999097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10222111000096 and 10222111000105.

It is not a weakly prime, because it can be changed into another prime (10222111000021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5111055500060 + 5111055500061.

It is an arithmetic number, because the mean of its divisors is an integer number (5111055500061).

Almost surely, 2^{10222111000121} is an apocalyptic number.

It is an amenable number.

10222111000121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10222111000121 is an equidigital number, since it uses as much as digits as its factorization.

10222111000121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10222111000121 its reverse (12100011122201), we get a palindrome (22322122122322).

The spelling of 10222111000121 in words is "ten trillion, two hundred twenty-two billion, one hundred eleven million, one hundred twenty-one", and thus it is an aban number.