11013103221 has 16 divisors (see below), whose sum is σ = 14717036928. Its totient is φ = 7325640000.

The previous prime is 11013103177. The next prime is 11013103267. The reversal of 11013103221 is 12230131011.

It is a happy number.

It is not a de Polignac number, because 11013103221 - 2¹⁷ = 11012972149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11013103221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11013103921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4315896 + ... + 4318446.

It is an arithmetic number, because the mean of its divisors is an integer number (919814808).

Almost surely, 2^11013103221 is an apocalyptic number.

It is an amenable number.

11013103221 is a deficient number, since it is larger than the sum of its proper divisors (3703933707).

11013103221 is a wasteful number, since it uses less digits than its factorization.

11013103221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5212.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11013103221 its reverse (12230131011), we get a palindrome (23243234232).

The spelling of 11013103221 in words is "eleven billion, thirteen million, one hundred three thousand, two hundred twenty-one".