11212013321 has 8 divisors (see below), whose sum is σ = 11603494080. Its totient is φ = 10820856592.

The previous prime is 11212013291. The next prime is 11212013339. The reversal of 11212013321 is 12331021211.

11212013321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11212013321 - 2¹⁴ = 11211996937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11212013321.

It is not an unprimeable number, because it can be changed into a prime (11212013521) 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 7 ways as a sum of consecutive naturals, for example, 9515 + ... + 150048.

It is an arithmetic number, because the mean of its divisors is an integer number (1450436760).

Almost surely, 2^11212013321 is an apocalyptic number.

It is an amenable number.

11212013321 is a deficient number, since it is larger than the sum of its proper divisors (391480759).

11212013321 is a wasteful number, since it uses less digits than its factorization.

11212013321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162015.

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

Adding to 11212013321 its reverse (12331021211), we get a palindrome (23543034532).

The spelling of 11212013321 in words is "eleven billion, two hundred twelve million, thirteen thousand, three hundred twenty-one".