11001120111001 has 4 divisors (see below), whose sum is σ = 11012860901812. Its totient is φ = 10989379320192.

The previous prime is 11001120110977. The next prime is 11001120111011. The reversal of 11001120111001 is 10011102110011.

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 1256102977600 + 9745017133401 = 1120760^2 + 3121701^2 .

It is a cyclic number.

It is not a de Polignac number, because 11001120111001 - 2¹³ = 11001120102809 is a prime.

It is a super-2 number, since 2×11001120111001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11001120111011) 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, 5870394000 + ... + 5870395873.

It is an arithmetic number, because the mean of its divisors is an integer number (2753215225453).

Almost surely, 2^{11001120111001} is an apocalyptic number.

It is an amenable number.

11001120111001 is a deficient number, since it is larger than the sum of its proper divisors (11740790811).

11001120111001 is an equidigital number, since it uses as much as digits as its factorization.

11001120111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11740790810.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 11001120111001 its reverse (10011102110011), we get a palindrome (21012222221012).

The spelling of 11001120111001 in words is "eleven trillion, one billion, one hundred twenty million, one hundred eleven thousand, one".