11322012221221 has 8 divisors (see below), whose sum is σ = 12192963283424. Its totient is φ = 10451065022640.

The previous prime is 11322012221213. The next prime is 11322012221227. The reversal of 11322012221221 is 12212221022311.

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 11322012221221 - 2³ = 11322012221213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11322012221192 and 11322012221201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11322012221227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8711266 + ... + 9926236.

It is an arithmetic number, because the mean of its divisors is an integer number (1524120410428).

Almost surely, 2^{11322012221221} is an apocalyptic number.

It is an amenable number.

11322012221221 is a deficient number, since it is larger than the sum of its proper divisors (870951062203).

11322012221221 is a wasteful number, since it uses less digits than its factorization.

11322012221221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931811.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 11322012221221 its reverse (12212221022311), we get a palindrome (23534233243532).

The spelling of 11322012221221 in words is "eleven trillion, three hundred twenty-two billion, twelve million, two hundred twenty-one thousand, two hundred twenty-one".