11121122113 has 8 divisors (see below), whose sum is σ = 11141946432. Its totient is φ = 11100318096.

The previous prime is 11121122083. The next prime is 11121122143. The reversal of 11121122113 is 31122112111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11121122083) and next prime (11121122143).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11121122113 - 2¹⁷ = 11120991041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11121122143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1458156 + ... + 1465762.

It is an arithmetic number, because the mean of its divisors is an integer number (1392743304).

Almost surely, 2^11121122113 is an apocalyptic number.

It is an amenable number.

11121122113 is a deficient number, since it is larger than the sum of its proper divisors (20824319).

11121122113 is an equidigital number, since it uses as much as digits as its factorization.

11121122113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10151.

The product of its digits is 24, while the sum is 16.

Adding to 11121122113 its reverse (31122112111), we get a palindrome (42243234224).

The spelling of 11121122113 in words is "eleven billion, one hundred twenty-one million, one hundred twenty-two thousand, one hundred thirteen".