11221020330 has 96 divisors (see below), whose sum is σ = 29208029760. Its totient is φ = 2757680640.

The previous prime is 11221020313. The next prime is 11221020359. The reversal of 11221020330 is 3302012211.

It is a super-2 number, since 2×11221020330² (a number of 21 digits) contains 22 as substring.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4110406 + ... + 4113134.

It is an arithmetic number, because the mean of its divisors is an integer number (304250310).

Almost surely, 2^11221020330 is an apocalyptic number.

11221020330 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 11221020330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14604014880).

11221020330 is an abundant number, since it is smaller than the sum of its proper divisors (17987009430).

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

11221020330 is a wasteful number, since it uses less digits than its factorization.

11221020330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3576 (or 3563 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 11221020330 its reverse (3302012211), we get a palindrome (14523032541).

The spelling of 11221020330 in words is "eleven billion, two hundred twenty-one million, twenty thousand, three hundred thirty".