11001120113021 has 4 divisors (see below), whose sum is σ = 11181466344444. Its totient is φ = 10820773881600.

The previous prime is 11001120112949. The next prime is 11001120113063. The reversal of 11001120113021 is 12031102110011.

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 681638476996 + 10319481636025 = 825614^2 + 3212395^2 .

It is a cyclic number.

It is not a de Polignac number, because 11001120113021 - 2³⁸ = 10726242206077 is a prime.

It is a super-2 number, since 2×11001120113021² (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 = 11001120112987 and 11001120113005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001120113521) 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, 90173115620 + ... + 90173115741.

It is an arithmetic number, because the mean of its divisors is an integer number (2795366586111).

Almost surely, 2^{11001120113021} is an apocalyptic number.

It is an amenable number.

11001120113021 is a deficient number, since it is larger than the sum of its proper divisors (180346231423).

11001120113021 is an equidigital number, since it uses as much as digits as its factorization.

11001120113021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180346231422.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 11001120113021 its reverse (12031102110011), we get a palindrome (23032222223032).

The spelling of 11001120113021 in words is "eleven trillion, one billion, one hundred twenty million, one hundred thirteen thousand, twenty-one".