10001122211005 has 4 divisors (see below), whose sum is σ = 12001346653212. Its totient is φ = 8000897768800.

The previous prime is 10001122210997. The next prime is 10001122211011. The reversal of 10001122211005 is 50011222110001.

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 4555778618329 + 5445343592676 = 2134427^2 + 2333526^2 .

It is not a de Polignac number, because 10001122211005 - 2³ = 10001122210997 is a prime.

It is a super-2 number, since 2×10001122211005² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10001122211005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000112221096 + ... + 1000112221105.

It is an arithmetic number, because the mean of its divisors is an integer number (3000336663303).

Almost surely, 2^{10001122211005} is an apocalyptic number.

It is an amenable number.

10001122211005 is a deficient number, since it is larger than the sum of its proper divisors (2000224442207).

10001122211005 is an equidigital number, since it uses as much as digits as its factorization.

10001122211005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000224442206.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 10001122211005 its reverse (50011222110001), we get a palindrome (60012344321006).

The spelling of 10001122211005 in words is "ten trillion, one billion, one hundred twenty-two million, two hundred eleven thousand, five".