2011212112120 has 32 divisors (see below), whose sum is σ = 4544648849520. Its totient is φ = 801032116480.

The previous prime is 2011212112099. The next prime is 2011212112177. The reversal of 2011212112120 is 212112121102.

It is a junction number, because it is equal to n+sod(n) for n = 2011212112094 and 2011212112103.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 107888326 + ... + 107906965.

Almost surely, 2^{2011212112120} is an apocalyptic number.

2011212112120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011212112120 is an abundant number, since it is smaller than the sum of its proper divisors (2533436737400).

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

2011212112120 is a wasteful number, since it uses less digits than its factorization.

2011212112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215795535 (or 215795531 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2011212112120 its reverse (212112121102), we get a palindrome (2223324233222).

The spelling of 2011212112120 in words is "two trillion, eleven billion, two hundred twelve million, one hundred twelve thousand, one hundred twenty".