11202133111121 has 4 divisors (see below), whose sum is σ = 11313045320244. Its totient is φ = 11091220902000.

The previous prime is 11202133111111. The next prime is 11202133111151. The reversal of 11202133111121 is 12111133120211.

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 4771668892225 + 6430464218896 = 2184415^2 + 2535836^2 .

It is a cyclic number.

It is not a de Polignac number, because 11202133111121 - 2²² = 11202128916817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11202133111093 and 11202133111102.

It is not an unprimeable number, because it can be changed into a prime (11202133111111) 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, 55456104410 + ... + 55456104611.

It is an arithmetic number, because the mean of its divisors is an integer number (2828261330061).

Almost surely, 2^{11202133111121} is an apocalyptic number.

It is an amenable number.

11202133111121 is a deficient number, since it is larger than the sum of its proper divisors (110912209123).

11202133111121 is a wasteful number, since it uses less digits than its factorization.

11202133111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110912209122.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 11202133111121 its reverse (12111133120211), we get a palindrome (23313266231332).

The spelling of 11202133111121 in words is "eleven trillion, two hundred two billion, one hundred thirty-three million, one hundred eleven thousand, one hundred twenty-one".