11101320322221 has 8 divisors (see below), whose sum is σ = 15580800452320. Its totient is φ = 7011360203472.

The previous prime is 11101320322151. The next prime is 11101320322303. The reversal of 11101320322221 is 12222302310111.

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

It is not a de Polignac number, because 11101320322221 - 2¹⁰ = 11101320321197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101320324221) 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, 97380002770 + ... + 97380002883.

It is an arithmetic number, because the mean of its divisors is an integer number (1947600056540).

Almost surely, 2^{11101320322221} is an apocalyptic number.

It is an amenable number.

11101320322221 is a deficient number, since it is larger than the sum of its proper divisors (4479480130099).

11101320322221 is a wasteful number, since it uses less digits than its factorization.

11101320322221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194760005675.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11101320322221 its reverse (12222302310111), we get a palindrome (23323622632332).

The spelling of 11101320322221 in words is "eleven trillion, one hundred one billion, three hundred twenty million, three hundred twenty-two thousand, two hundred twenty-one".