11212401323321 has 12 divisors (see below), whose sum is σ = 12522784253040. Its totient is φ = 9956043440280.

The previous prime is 11212401323309. The next prime is 11212401323371. The reversal of 11212401323321 is 12332310421211.

11212401323321 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 11212401323321 - 2¹⁴ = 11212401306937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11212401323371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 275617631 + ... + 275658308.

It is an arithmetic number, because the mean of its divisors is an integer number (1043565354420).

Almost surely, 2^{11212401323321} is an apocalyptic number.

11212401323321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11212401323321 is a deficient number, since it is larger than the sum of its proper divisors (1310382929719).

11212401323321 is an equidigital number, since it uses as much as digits as its factorization.

11212401323321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551276036 (or 551275993 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 11212401323321 its reverse (12332310421211), we get a palindrome (23544711744532).

The spelling of 11212401323321 in words is "eleven trillion, two hundred twelve billion, four hundred one million, three hundred twenty-three thousand, three hundred twenty-one".