1121122221073 has 2 divisors, whose sum is σ = 1121122221074. Its totient is φ = 1121122221072.

The previous prime is 1121122221061. The next prime is 1121122221143. The reversal of 1121122221073 is 3701222211211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 655497498384 + 465624722689 = 809628^2 + 682367^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121122221073 - 2³⁷ = 983683267601 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121122225073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560561110536 + 560561110537.

It is an arithmetic number, because the mean of its divisors is an integer number (560561110537).

Almost surely, 2^{1121122221073} is an apocalyptic number.

It is an amenable number.

1121122221073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121122221073 is an equidigital number, since it uses as much as digits as its factorization.

1121122221073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 25.

Adding to 1121122221073 its reverse (3701222211211), we get a palindrome (4822344432284).

The spelling of 1121122221073 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred twenty-one thousand, seventy-three".