11123220442330 has 64 divisors (see below), whose sum is σ = 20403896436000. Its totient is φ = 4365182660608.

The previous prime is 11123220442307. The next prime is 11123220442349. The reversal of 11123220442330 is 3324402232111.

It can be written as a sum of positive squares in 16 ways, for example, as 582088124809 + 10541132317521 = 762947^2 + 3246711^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 281516616 + ... + 281556124.

Almost surely, 2^{11123220442330} is an apocalyptic number.

11123220442330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11123220442330 is a deficient number, since it is larger than the sum of its proper divisors (9280675993670).

11123220442330 is a wasteful number, since it uses less digits than its factorization.

11123220442330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42051.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 11123220442330 its reverse (3324402232111), we get a palindrome (14447622674441).

The spelling of 11123220442330 in words is "eleven trillion, one hundred twenty-three billion, two hundred twenty million, four hundred forty-two thousand, three hundred thirty".