11220011200 has 42 divisors (see below), whose sum is σ = 27608243996. Its totient is φ = 4488003840.

The previous prime is 11220011191. The next prime is 11220011249. The reversal of 11220011200 is 211002211.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3504654 + ... + 3507853.

Almost surely, 2^11220011200 is an apocalyptic number.

11220011200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220011200 is an abundant number, since it is smaller than the sum of its proper divisors (16388232796).

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

11220011200 is an equidigital number, since it uses as much as digits as its factorization.

11220011200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7012529 (or 7012514 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11220011200 its reverse (211002211), we get a palindrome (11431013411).

The spelling of 11220011200 in words is "eleven billion, two hundred twenty million, eleven thousand, two hundred".