2011223331100 has 18 divisors (see below), whose sum is σ = 4364354628704. Its totient is φ = 804489332400.

The previous prime is 2011223331097. The next prime is 2011223331121. The reversal of 2011223331100 is 11333221102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10056116556 + ... + 10056116755.

Almost surely, 2^{2011223331100} is an apocalyptic number.

2011223331100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011223331100 is an abundant number, since it is smaller than the sum of its proper divisors (2353131297604).

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

2011223331100 is a wasteful number, since it uses less digits than its factorization.

2011223331100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20112233325 (or 20112233318 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2011223331100 its reverse (11333221102), we get a palindrome (2022556552202).

The spelling of 2011223331100 in words is "two trillion, eleven billion, two hundred twenty-three million, three hundred thirty-one thousand, one hundred".