1001122102205 has 4 divisors (see below), whose sum is σ = 1201346522652. Its totient is φ = 800897681760.

The previous prime is 1001122102159. The next prime is 1001122102207. The reversal of 1001122102205 is 5022012211001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 493053943684 + 508068158521 = 702178^2 + 712789^2 .

It is not a de Polignac number, because 1001122102205 - 2⁸ = 1001122101949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001122102207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100112210216 + ... + 100112210225.

It is an arithmetic number, because the mean of its divisors is an integer number (300336630663).

Almost surely, 2^{1001122102205} is an apocalyptic number.

It is an amenable number.

1001122102205 is a deficient number, since it is larger than the sum of its proper divisors (200224420447).

1001122102205 is an equidigital number, since it uses as much as digits as its factorization.

1001122102205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200224420446.

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

Adding to 1001122102205 its reverse (5022012211001), we get a palindrome (6023134313206).

The spelling of 1001122102205 in words is "one trillion, one billion, one hundred twenty-two million, one hundred two thousand, two hundred five".