2012121110211 has 16 divisors (see below), whose sum is σ = 2795597431200. Its totient is φ = 1285704697088.

The previous prime is 2012121110189. The next prime is 2012121110257. The reversal of 2012121110211 is 1120111212102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2012121110211 - 2⁶ = 2012121110147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2012121110711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84396216 + ... + 84420053.

It is an arithmetic number, because the mean of its divisors is an integer number (174724839450).

Almost surely, 2^{2012121110211} is an apocalyptic number.

2012121110211 is a deficient number, since it is larger than the sum of its proper divisors (783476320989).

2012121110211 is a wasteful number, since it uses less digits than its factorization.

2012121110211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168816438.

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

Adding to 2012121110211 its reverse (1120111212102), we get a palindrome (3132232322313).

The spelling of 2012121110211 in words is "two trillion, twelve billion, one hundred twenty-one million, one hundred ten thousand, two hundred eleven".