11321212322121 has 16 divisors (see below), whose sum is σ = 16256573262720. Its totient is φ = 6966696954240.

The previous prime is 11321212322111. The next prime is 11321212322219. The reversal of 11321212322121 is 12122321212311.

11321212322121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11321212322121 - 2⁵ = 11321212322089 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11321212322091 and 11321212322100.

It is not an unprimeable number, because it can be changed into a prime (11321212322111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2866236 + ... + 5554973.

It is an arithmetic number, because the mean of its divisors is an integer number (1016035828920).

Almost surely, 2^{11321212322121} is an apocalyptic number.

It is an amenable number.

11321212322121 is a deficient number, since it is larger than the sum of its proper divisors (4935360940599).

11321212322121 is a wasteful number, since it uses less digits than its factorization.

11321212322121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8455696.

The product of its digits is 576, while the sum is 24.

Adding to 11321212322121 its reverse (12122321212311), we get a palindrome (23443533534432).

The spelling of 11321212322121 in words is "eleven trillion, three hundred twenty-one billion, two hundred twelve million, three hundred twenty-two thousand, one hundred twenty-one".