2012122011111 has 8 divisors (see below), whose sum is σ = 2682838744320. Its totient is φ = 1341409975992.

The previous prime is 2012122011061. The next prime is 2012122011131. The reversal of 2012122011111 is 1111102212102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2012122011111 - 2⁶ = 2012122011047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012122011131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10341 + ... + 2006078.

It is an arithmetic number, because the mean of its divisors is an integer number (335354843040).

Almost surely, 2^{2012122011111} is an apocalyptic number.

2012122011111 is a deficient number, since it is larger than the sum of its proper divisors (670716733209).

2012122011111 is a wasteful number, since it uses less digits than its factorization.

2012122011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349045.

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

Adding to 2012122011111 its reverse (1111102212102), we get a palindrome (3123224223213).

The spelling of 2012122011111 in words is "two trillion, twelve billion, one hundred twenty-two million, eleven thousand, one hundred eleven".