11321021021201 has 12 divisors (see below), whose sum is σ = 11493663139728. Its totient is φ = 11150934918552.

The previous prime is 11321021021129. The next prime is 11321021021209. The reversal of 11321021021201 is 10212012012311.

It is a happy number.

It is not a de Polignac number, because 11321021021201 - 2¹⁴ = 11321021004817 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 11321021021201.

It is not an unprimeable number, because it can be changed into a prime (11321021021209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46685870 + ... + 46927736.

It is an arithmetic number, because the mean of its divisors is an integer number (957805261644).

Almost surely, 2^{11321021021201} is an apocalyptic number.

It is an amenable number.

11321021021201 is a deficient number, since it is larger than the sum of its proper divisors (172642118527).

11321021021201 is an equidigital number, since it uses as much as digits as its factorization.

11321021021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252428 (or 252361 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11321021021201 its reverse (10212012012311), we get a palindrome (21533033033512).

The spelling of 11321021021201 in words is "eleven trillion, three hundred twenty-one billion, twenty-one million, twenty-one thousand, two hundred one".