11121003120013 has 4 divisors (see below), whose sum is σ = 11121355740348. Its totient is φ = 11120650499680.

The previous prime is 11121003120001. The next prime is 11121003120043. The reversal of 11121003120013 is 31002130012111.

It is a happy number.

11121003120013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1626242158564 + 9494760961449 = 1275242^2 + 3081357^2 .

It is a cyclic number.

It is not a de Polignac number, because 11121003120013 - 2²¹ = 11121001022861 is a prime.

It is a super-2 number, since 2×11121003120013² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121003120043) 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, 176262856 + ... + 176325937.

It is an arithmetic number, because the mean of its divisors is an integer number (2780338935087).

Almost surely, 2^{11121003120013} is an apocalyptic number.

It is an amenable number.

11121003120013 is a deficient number, since it is larger than the sum of its proper divisors (352620335).

11121003120013 is an equidigital number, since it uses as much as digits as its factorization.

11121003120013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352620334.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11121003120013 its reverse (31002130012111), we get a palindrome (42123133132124).

The spelling of 11121003120013 in words is "eleven trillion, one hundred twenty-one billion, three million, one hundred twenty thousand, thirteen".