11211434230321 has 8 divisors (see below), whose sum is σ = 12134524875200. Its totient is φ = 10297011103632.

The previous prime is 11211434230319. The next prime is 11211434230327. The reversal of 11211434230321 is 12303243411211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11211434230321 - 2¹ = 11211434230319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11211434230321.

It is not an unprimeable number, because it can be changed into a prime (11211434230327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2166876855 + ... + 2166882028.

It is an arithmetic number, because the mean of its divisors is an integer number (1516815609400).

Almost surely, 2^{11211434230321} is an apocalyptic number.

It is an amenable number.

11211434230321 is a deficient number, since it is larger than the sum of its proper divisors (923090644879).

11211434230321 is a wasteful number, since it uses less digits than its factorization.

11211434230321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4333759095.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 11211434230321 its reverse (12303243411211), we get a palindrome (23514677641532).

The spelling of 11211434230321 in words is "eleven trillion, two hundred eleven billion, four hundred thirty-four million, two hundred thirty thousand, three hundred twenty-one".