2010122111 has 4 divisors (see below), whose sum is σ = 2010213912. Its totient is φ = 2010030312.

The previous prime is 2010122089. The next prime is 2010122113. The reversal of 2010122111 is 1112210102.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1112210102 = 2 ⋅556105051.

It is a cyclic number.

It is not a de Polignac number, because 2010122111 - 2¹⁸ = 2009859967 is a prime.

It is a super-3 number, since 3×2010122111³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2010122092 and 2010122101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010122113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8201 + ... + 63933.

It is an arithmetic number, because the mean of its divisors is an integer number (502553478).

Almost surely, 2^2010122111 is an apocalyptic number.

2010122111 is a deficient number, since it is larger than the sum of its proper divisors (91801).

2010122111 is an equidigital number, since it uses as much as digits as its factorization.

2010122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91800.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2010122111 is about 44834.3853643607. The cubic root of 2010122111 is about 1262.0429842879.

Adding to 2010122111 its reverse (1112210102), we get a palindrome (3122332213).

The spelling of 2010122111 in words is "two billion, ten million, one hundred twenty-two thousand, one hundred eleven".