2012001100111 has 4 divisors (see below), whose sum is σ = 2019651294672. Its totient is φ = 2004350905552.

The previous prime is 2012001100103. The next prime is 2012001100127. The reversal of 2012001100111 is 1110011002102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2012001100111 - 2³ = 2012001100103 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 (2012001100171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3825096886 + ... + 3825097411.

It is an arithmetic number, because the mean of its divisors is an integer number (504912823668).

Almost surely, 2^{2012001100111} is an apocalyptic number.

2012001100111 is a deficient number, since it is larger than the sum of its proper divisors (7650194561).

2012001100111 is an equidigital number, since it uses as much as digits as its factorization.

2012001100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7650194560.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 2012001100111 its reverse (1110011002102), we get a palindrome (3122012102213).

It can be divided in two parts, 2012001 and 100111, that added together give a palindrome (2112112).

The spelling of 2012001100111 in words is "two trillion, twelve billion, one million, one hundred thousand, one hundred eleven".