2011112222120 has 32 divisors (see below), whose sum is σ = 4525086366720. Its totient is φ = 804429979200.

The previous prime is 2011112222107. The next prime is 2011112222137. The reversal of 2011112222120 is 212222111102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1862945 + ... + 2737295.

It is an arithmetic number, because the mean of its divisors is an integer number (141408948960).

Almost surely, 2^{2011112222120} is an apocalyptic number.

2011112222120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011112222120 is an abundant number, since it is smaller than the sum of its proper divisors (2513974144600).

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

2011112222120 is a wasteful number, since it uses less digits than its factorization.

2011112222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931865 (or 931861 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2011112222120 its reverse (212222111102), we get a palindrome (2223334333222).

The spelling of 2011112222120 in words is "two trillion, eleven billion, one hundred twelve million, two hundred twenty-two thousand, one hundred twenty".