11222122232320 has 40 divisors (see below), whose sum is σ = 26906791514724. Its totient is φ = 4488848891904.

The previous prime is 11222122232291. The next prime is 11222122232329. The reversal of 11222122232320 is 2323222122211.

It can be written as a sum of positive squares in 2 ways, for example, as 10882503690496 + 339618541824 = 3298864^2 + 582768^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (11222122232329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2191818189 + ... + 2191823308.

Almost surely, 2^{11222122232320} is an apocalyptic number.

11222122232320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11222122232320 is an abundant number, since it is smaller than the sum of its proper divisors (15684669282404).

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

11222122232320 is an frugal number, since it uses more digits than its factorization.

11222122232320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4383641520 (or 4383641504 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 11222122232320 its reverse (2323222122211), we get a palindrome (13545344354531).

The spelling of 11222122232320 in words is "eleven trillion, two hundred twenty-two billion, one hundred twenty-two million, two hundred thirty-two thousand, three hundred twenty".