2012020111 has 8 divisors (see below), whose sum is σ = 2038296320. Its totient is φ = 1985764248.

The previous prime is 2012020093. The next prime is 2012020123. The reversal of 2012020111 is 1110202102.

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

It is a cyclic number.

It is not a de Polignac number, because 2012020111 - 2¹⁹ = 2011495823 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 (2012020211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391420 + ... + 396526.

It is an arithmetic number, because the mean of its divisors is an integer number (254787040).

Almost surely, 2^2012020111 is an apocalyptic number.

2012020111 is a deficient number, since it is larger than the sum of its proper divisors (26276209).

2012020111 is an equidigital number, since it uses as much as digits as its factorization.

2012020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10173.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2012020111 is about 44855.5471597438. The cubic root of 2012020111 is about 1262.4400752657.

Adding to 2012020111 its reverse (1110202102), we get a palindrome (3122222213).

The spelling of 2012020111 in words is "two billion, twelve million, twenty thousand, one hundred eleven".