2012001203111 has 4 divisors (see below), whose sum is σ = 2012004334032. Its totient is φ = 2011998072192.

The previous prime is 2012001203087. The next prime is 2012001203137. The reversal of 2012001203111 is 1113021002102.

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 2012001203111 - 2¹⁰ = 2012001202087 is a prime.

It is a super-2 number, since 2×2012001203111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012001203161) 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, 210746 + ... + 2017031.

It is an arithmetic number, because the mean of its divisors is an integer number (503001083508).

Almost surely, 2^{2012001203111} is an apocalyptic number.

2012001203111 is a deficient number, since it is larger than the sum of its proper divisors (3130921).

2012001203111 is an equidigital number, since it uses as much as digits as its factorization.

2012001203111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3130920.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 2012001203111 its reverse (1113021002102), we get a palindrome (3125022205213).

The spelling of 2012001203111 in words is "two trillion, twelve billion, one million, two hundred three thousand, one hundred eleven".