11121010133 has 4 divisors (see below), whose sum is σ = 11235659820. Its totient is φ = 11006360448.

The previous prime is 11121010129. The next prime is 11121010169. The reversal of 11121010133 is 33101012111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33101012111 = 719 ⋅46037569.

It can be written as a sum of positive squares in 2 ways, for example, as 6147657649 + 4973352484 = 78407^2 + 70522^2 .

It is a cyclic number.

It is not a de Polignac number, because 11121010133 - 2² = 11121010129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121010183) 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 3 ways as a sum of consecutive naturals, for example, 57324698 + ... + 57324891.

It is an arithmetic number, because the mean of its divisors is an integer number (2808914955).

Almost surely, 2^11121010133 is an apocalyptic number.

It is an amenable number.

11121010133 is a deficient number, since it is larger than the sum of its proper divisors (114649687).

11121010133 is an equidigital number, since it uses as much as digits as its factorization.

11121010133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114649686.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11121010133 its reverse (33101012111), we get a palindrome (44222022244).

The spelling of 11121010133 in words is "eleven billion, one hundred twenty-one million, ten thousand, one hundred thirty-three".