2011112220120 has 64 divisors (see below), whose sum is σ = 6033524617440. Its totient is φ = 536279884800.

The previous prime is 2011112220109. The next prime is 2011112220209. The reversal of 2011112220120 is 210222111102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2011112220120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3879450 + ... + 4367190.

Almost surely, 2^{2011112220120} is an apocalyptic number.

2011112220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011112220120 is an abundant number, since it is smaller than the sum of its proper divisors (4022412397320).

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

2011112220120 is a wasteful number, since it uses less digits than its factorization.

2011112220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522116 (or 522112 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2011112220120 its reverse (210222111102), we get a palindrome (2221334331222).

The spelling of 2011112220120 in words is "two trillion, eleven billion, one hundred twelve million, two hundred twenty thousand, one hundred twenty".