2111012122012 has 48 divisors (see below), whose sum is σ = 3804318040320. Its totient is φ = 1024220160000.

The previous prime is 2111012122003. The next prime is 2111012122013. The reversal of 2111012122012 is 2102212101112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111012122013) by changing a digit.

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, 131922012 + ... + 131938012.

It is an arithmetic number, because the mean of its divisors is an integer number (79256625840).

Almost surely, 2^{2111012122012} is an apocalyptic number.

It is an amenable number.

2111012122012 is a deficient number, since it is larger than the sum of its proper divisors (1693305918308).

2111012122012 is a wasteful number, since it uses less digits than its factorization.

2111012122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18382 (or 18380 counting only the distinct ones).

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

Adding to 2111012122012 its reverse (2102212101112), we get a palindrome (4213224223124).

The spelling of 2111012122012 in words is "two trillion, one hundred eleven billion, twelve million, one hundred twenty-two thousand, twelve".