11323102121 has 4 divisors (see below), whose sum is σ = 11323485012. Its totient is φ = 11322719232.

The previous prime is 11323102103. The next prime is 11323102123. The reversal of 11323102121 is 12120132311.

11323102121 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 9988003600 + 1335098521 = 99940^2 + 36539^2 .

It is a cyclic number.

It is not a de Polignac number, because 11323102121 - 2¹⁸ = 11322839977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11323102121.

It is not an unprimeable number, because it can be changed into a prime (11323102123) 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, 143000 + ... + 207593.

It is an arithmetic number, because the mean of its divisors is an integer number (2830871253).

Almost surely, 2^11323102121 is an apocalyptic number.

It is an amenable number.

11323102121 is a deficient number, since it is larger than the sum of its proper divisors (382891).

11323102121 is an equidigital number, since it uses as much as digits as its factorization.

11323102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382890.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11323102121 its reverse (12120132311), we get a palindrome (23443234432).

The spelling of 11323102121 in words is "eleven billion, three hundred twenty-three million, one hundred two thousand, one hundred twenty-one".