2061111 has 16 divisors (see below), whose sum is σ = 3034080. Its totient is φ = 1236480.

The previous prime is 2061109. The next prime is 2061113. The reversal of 2061111 is 1111602.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2061109) and next prime (2061113).

It is not a de Polignac number, because 2061111 - 2¹ = 2061109 is a prime.

2061111 is a modest number, since divided by 1111 gives 206 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 955 + ... + 2243.

It is an arithmetic number, because the mean of its divisors is an integer number (189630).

2^2061111 is an apocalyptic number.

2061111 is a deficient number, since it is larger than the sum of its proper divisors (972969).

2061111 is a wasteful number, since it uses less digits than its factorization.

2061111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346.

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

The square root of 2061111 is about 1435.6569924602. The cubic root of 2061111 is about 127.2625029047.

Adding to 2061111 its reverse (1111602), we get a palindrome (3172713).

The spelling of 2061111 in words is "two million, sixty-one thousand, one hundred eleven".