2012103321111 has 24 divisors (see below), whose sum is σ = 3135044546816. Its totient is φ = 1236197453760.

The previous prime is 2012103321103. The next prime is 2012103321209. The reversal of 2012103321111 is 1111233012102.

2012103321111 is a `hidden beast` number, since 20 + 1 + 210 + 3 + 321 + 111 = 666.

It is not a de Polignac number, because 2012103321111 - 2³ = 2012103321103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012103321101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13955575 + ... + 14099016.

Almost surely, 2^{2012103321111} is an apocalyptic number.

2012103321111 is a deficient number, since it is larger than the sum of its proper divisors (1122941225705).

2012103321111 is a wasteful number, since it uses less digits than its factorization.

2012103321111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28055223 (or 28055220 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 2012103321111 its reverse (1111233012102), we get a palindrome (3123336333213).

It can be divided in two parts, 20121033 and 21111, that added together give a square (20142144 = 4488²).

The spelling of 2012103321111 in words is "two trillion, twelve billion, one hundred three million, three hundred twenty-one thousand, one hundred eleven".