2012202111 has 4 divisors (see below), whose sum is σ = 2682936152. Its totient is φ = 1341468072.

The previous prime is 2012202109. The next prime is 2012202113. The reversal of 2012202111 is 1112022102.

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

It is an interprime number because it is at equal distance from previous prime (2012202109) and next prime (2012202113).

It is not a de Polignac number, because 2012202111 - 2¹ = 2012202109 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 (2012202113) 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 3 ways as a sum of consecutive naturals, for example, 335367016 + ... + 335367021.

It is an arithmetic number, because the mean of its divisors is an integer number (670734038).

Almost surely, 2^2012202111 is an apocalyptic number.

2012202111 is a deficient number, since it is larger than the sum of its proper divisors (670734041).

2012202111 is an equidigital number, since it uses as much as digits as its factorization.

2012202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670734040.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2012202111 is about 44857.5758484562. The cubic root of 2012202111 is about 1262.4781393594.

Adding to 2012202111 its reverse (1112022102), we get a palindrome (3124224213).

Subtracting from 2012202111 its reverse (1112022102), we obtain a square (900180009 = 30003²).

The spelling of 2012202111 in words is "two billion, twelve million, two hundred two thousand, one hundred eleven".