2012012100111 has 8 divisors (see below), whose sum is σ = 2889043015600. Its totient is φ = 1238161292352.

The previous prime is 2012012100029. The next prime is 2012012100187. The reversal of 2012012100111 is 1110012102102.

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

It is not a de Polignac number, because 2012012100111 - 2¹⁹ = 2012011575823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012012105111) 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, 25795026886 + ... + 25795026963.

It is an arithmetic number, because the mean of its divisors is an integer number (361130376950).

Almost surely, 2^{2012012100111} is an apocalyptic number.

2012012100111 is a deficient number, since it is larger than the sum of its proper divisors (877030915489).

2012012100111 is a wasteful number, since it uses less digits than its factorization.

2012012100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51590053865.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2012012100111 its reverse (1110012102102), we get a palindrome (3122024202213).

The spelling of 2012012100111 in words is "two trillion, twelve billion, twelve million, one hundred thousand, one hundred eleven".