1422111043121 has 2 divisors, whose sum is σ = 1422111043122. Its totient is φ = 1422111043120.

The previous prime is 1422111043081. The next prime is 1422111043139. The reversal of 1422111043121 is 1213401112241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1334743506721 + 87367536400 = 1155311^2 + 295580^2 .

It is an emirp because it is prime and its reverse (1213401112241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1422111043121 - 2³⁴ = 1404931173937 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1422111040121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711055521560 + 711055521561.

It is an arithmetic number, because the mean of its divisors is an integer number (711055521561).

Almost surely, 2^{1422111043121} is an apocalyptic number.

It is an amenable number.

1422111043121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422111043121 is an equidigital number, since it uses as much as digits as its factorization.

1422111043121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 1422111043121 its reverse (1213401112241), we get a palindrome (2635512155362).

The spelling of 1422111043121 in words is "one trillion, four hundred twenty-two billion, one hundred eleven million, forty-three thousand, one hundred twenty-one".