11223220000 has 60 divisors (see below), whose sum is σ = 27610853886. Its totient is φ = 4489280000.

The previous prime is 11223219971. The next prime is 11223220033. The reversal of 11223220000 is 2232211.

It can be written as a sum of positive squares in 5 ways, for example, as 721889424 + 10501330576 = 26868^2 + 102476^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 260581 + ... + 300580.

Almost surely, 2^11223220000 is an apocalyptic number.

11223220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11223220000 is an abundant number, since it is smaller than the sum of its proper divisors (16387633886).

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

11223220000 is an frugal number, since it uses more digits than its factorization.

11223220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561191 (or 561168 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 11223220000 its reverse (2232211), we get a palindrome (11225452211).

The spelling of 11223220000 in words is "eleven billion, two hundred twenty-three million, two hundred twenty thousand".