11220113321 has 16 divisors (see below), whose sum is σ = 11434032000. Its totient is φ = 11008483200.

The previous prime is 11220113293. The next prime is 11220113363. The reversal of 11220113321 is 12331102211.

It is a cyclic number.

It is not a de Polignac number, because 11220113321 - 2⁶ = 11220113257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11220113321.

It is not an unprimeable number, because it can be changed into a prime (11220113381) 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, 9581066 + ... + 9582236.

It is an arithmetic number, because the mean of its divisors is an integer number (714627000).

Almost surely, 2^11220113321 is an apocalyptic number.

It is an amenable number.

11220113321 is a deficient number, since it is larger than the sum of its proper divisors (213918679).

11220113321 is a wasteful number, since it uses less digits than its factorization.

11220113321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11220113321 its reverse (12331102211), we get a palindrome (23551215532).

The spelling of 11220113321 in words is "eleven billion, two hundred twenty million, one hundred thirteen thousand, three hundred twenty-one".