11220303111000 has 512 divisors, whose sum is σ = 37580654592000. Its totient is φ = 2778660288000.

The previous prime is 11220303110953. The next prime is 11220303111011. The reversal of 11220303111000 is 11130302211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1234216455 + ... + 1234225545.

It is an arithmetic number, because the mean of its divisors is an integer number (73399716000).

Almost surely, 2^{11220303111000} is an apocalyptic number.

11220303111000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11220303111000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18790327296000).

11220303111000 is an abundant number, since it is smaller than the sum of its proper divisors (26360351481000).

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

11220303111000 is a wasteful number, since it uses less digits than its factorization.

11220303111000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9560 (or 9546 counting only the distinct ones).

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

Adding to 11220303111000 its reverse (11130302211), we get a palindrome (11231433413211).

The spelling of 11220303111000 in words is "eleven trillion, two hundred twenty billion, three hundred three million, one hundred eleven thousand".