10001123102011 has 4 divisors (see below), whose sum is σ = 10189823537952. Its totient is φ = 9812422666072.

The previous prime is 10001123101999. The next prime is 10001123102021. The reversal of 10001123102011 is 11020132110001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10001123102011 - 2⁹ = 10001123101499 is a prime.

It is a super-2 number, since 2×10001123102011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10001123101982 and 10001123102000.

It is not an unprimeable number, because it can be changed into a prime (10001123102021) 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, 94350217891 + ... + 94350217996.

It is an arithmetic number, because the mean of its divisors is an integer number (2547455884488).

Almost surely, 2^{10001123102011} is an apocalyptic number.

10001123102011 is a deficient number, since it is larger than the sum of its proper divisors (188700435941).

10001123102011 is an equidigital number, since it uses as much as digits as its factorization.

10001123102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188700435940.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10001123102011 its reverse (11020132110001), we get a palindrome (21021255212012).

The spelling of 10001123102011 in words is "ten trillion, one billion, one hundred twenty-three million, one hundred two thousand, eleven".