11220033330 has 320 divisors, whose sum is σ = 34926059520. Its totient is φ = 2555971200.

The previous prime is 11220033317. The next prime is 11220033347. The reversal of 11220033330 is 3333002211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 32334217 + ... + 32334563.

It is an arithmetic number, because the mean of its divisors is an integer number (109143936).

Almost surely, 2^11220033330 is an apocalyptic number.

11220033330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11220033330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17463029760).

11220033330 is an abundant number, since it is smaller than the sum of its proper divisors (23706026190).

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

11220033330 is a wasteful number, since it uses less digits than its factorization.

11220033330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 11220033330 its reverse (3333002211), we get a palindrome (14553035541).

It can be divided in two parts, 112200 and 33330, that added together give a triangular number (145530 = T₅₃₉).

The spelling of 11220033330 in words is "eleven billion, two hundred twenty million, thirty-three thousand, three hundred thirty".