11221203320 has 32 divisors (see below), whose sum is σ = 25267593600. Its totient is φ = 4484946048.

The previous prime is 11221203319. The next prime is 11221203341. The reversal of 11221203320 is 2330212211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58760 + ... + 160919.

It is an arithmetic number, because the mean of its divisors is an integer number (789612300).

Almost surely, 2^11221203320 is an apocalyptic number.

11221203320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11221203320 is an abundant number, since it is smaller than the sum of its proper divisors (14046390280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11221203320 is a wasteful number, since it uses less digits than its factorization.

11221203320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220967 (or 220963 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11221203320 its reverse (2330212211), we get a palindrome (13551415531).

The spelling of 11221203320 in words is "eleven billion, two hundred twenty-one million, two hundred three thousand, three hundred twenty".