11121333113 has 4 divisors (see below), whose sum is σ = 12132363408. Its totient is φ = 10110302820.

The previous prime is 11121333077. The next prime is 11121333121. The reversal of 11121333113 is 31133312111.

11121333113 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31133312111 = 11 ⋅2830301101.

It is a cyclic number.

It is not a de Polignac number, because 11121333113 - 2¹⁴ = 11121316729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11121333133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505515131 + ... + 505515152.

It is an arithmetic number, because the mean of its divisors is an integer number (3033090852).

Almost surely, 2^11121333113 is an apocalyptic number.

It is an amenable number.

11121333113 is a deficient number, since it is larger than the sum of its proper divisors (1011030295).

11121333113 is a wasteful number, since it uses less digits than its factorization.

11121333113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011030294.

The product of its digits is 162, while the sum is 20.

Adding to 11121333113 its reverse (31133312111), we get a palindrome (42254645224).

The spelling of 11121333113 in words is "eleven billion, one hundred twenty-one million, three hundred thirty-three thousand, one hundred thirteen".