2011223222320 has 80 divisors (see below), whose sum is σ = 5036417461152. Its totient is φ = 742513489920.

The previous prime is 2011223222293. The next prime is 2011223222339. The reversal of 2011223222320 is 232223221102.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 2011223222291 and 2011223222300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8581900 + ... + 8813140.

Almost surely, 2^{2011223222320} is an apocalyptic number.

2011223222320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011223222320 is an abundant number, since it is smaller than the sum of its proper divisors (3025194238832).

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

2011223222320 is a wasteful number, since it uses less digits than its factorization.

2011223222320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239630 (or 239624 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 2011223222320 its reverse (232223221102), we get a palindrome (2243446443422).

The spelling of 2011223222320 in words is "two trillion, eleven billion, two hundred twenty-three million, two hundred twenty-two thousand, three hundred twenty".