11220111032320 has 64 divisors (see below), whose sum is σ = 26927855978040. Its totient is φ = 4488044347392.

The previous prime is 11220111032293. The next prime is 11220111032353. The reversal of 11220111032320 is 2323011102211.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34077222 + ... + 34404901.

Almost surely, 2^{11220111032320} is an apocalyptic number.

11220111032320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220111032320 is an abundant number, since it is smaller than the sum of its proper divisors (15707744945720).

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

11220111032320 is an frugal number, since it uses more digits than its factorization.

11220111032320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68482158 (or 68482130 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11220111032320 its reverse (2323011102211), we get a palindrome (13543122134531).

The spelling of 11220111032320 in words is "eleven trillion, two hundred twenty billion, one hundred eleven million, thirty-two thousand, three hundred twenty".