11133320112121 has 4 divisors (see below), whose sum is σ = 11315833556644. Its totient is φ = 10950806667600.

The previous prime is 11133320112091. The next prime is 11133320112143. The reversal of 11133320112121 is 12121102333111.

11133320112121 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 2218252784400 + 8915067327721 = 1489380^2 + 2985811^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11133320112121 is a prime.

It is a super-2 number, since 2×11133320112121² (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 = 11133320112092 and 11133320112101.

It is not an unprimeable number, because it can be changed into a prime (11133320112191) 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, 91256722170 + ... + 91256722291.

It is an arithmetic number, because the mean of its divisors is an integer number (2828958389161).

Almost surely, 2^{11133320112121} is an apocalyptic number.

It is an amenable number.

11133320112121 is a deficient number, since it is larger than the sum of its proper divisors (182513444523).

11133320112121 is an equidigital number, since it uses as much as digits as its factorization.

11133320112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182513444522.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 11133320112121 its reverse (12121102333111), we get a palindrome (23254422445232).

The spelling of 11133320112121 in words is "eleven trillion, one hundred thirty-three billion, three hundred twenty million, one hundred twelve thousand, one hundred twenty-one".