1121122000205 has 8 divisors (see below), whose sum is σ = 1359215951352. Its totient is φ = 887651232768.

The previous prime is 1121122000183. The next prime is 1121122000231. The reversal of 1121122000205 is 5020002211211.

It can be written as a sum of positive squares in 4 ways, for example, as 215999998564 + 905122001641 = 464758^2 + 951379^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121122000205 - 2⁴⁰ = 21610372429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1155795392 + ... + 1155796361.

It is an arithmetic number, because the mean of its divisors is an integer number (169901993919).

Almost surely, 2^{1121122000205} is an apocalyptic number.

It is an amenable number.

1121122000205 is a deficient number, since it is larger than the sum of its proper divisors (238093951147).

1121122000205 is an equidigital number, since it uses as much as digits as its factorization.

1121122000205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311591855.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 1121122000205 its reverse (5020002211211), we get a palindrome (6141124211416).

The spelling of 1121122000205 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred five", and thus it is an aban number.