2112012121011 has 16 divisors (see below), whose sum is σ = 3164486390016. Its totient is φ = 1243191080736.

The previous prime is 2112012121003. The next prime is 2112012121039. The reversal of 2112012121011 is 1101212102112.

It is a happy number.

It is not a de Polignac number, because 2112012121011 - 2³ = 2112012121003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2112012121001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1177263385 + ... + 1177265178.

It is an arithmetic number, because the mean of its divisors is an integer number (197780399376).

Almost surely, 2^{2112012121011} is an apocalyptic number.

2112012121011 is a deficient number, since it is larger than the sum of its proper divisors (1052474269005).

2112012121011 is a wasteful number, since it uses less digits than its factorization.

2112012121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2354528602.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2112012121011 its reverse (1101212102112), we get a palindrome (3213224223123).

The spelling of 2112012121011 in words is "two trillion, one hundred twelve billion, twelve million, one hundred twenty-one thousand, eleven".