2215111 has 2 divisors, whose sum is σ = 2215112. Its totient is φ = 2215110.

The previous prime is 2215099. The next prime is 2215127. The reversal of 2215111 is 1115122.

2215111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2215111 - 2⁷ = 2214983 is a prime.

2215111 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2215091 and 2215100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2215141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107555 + 1107556.

It is an arithmetic number, because the mean of its divisors is an integer number (1107556).

2^2215111 is an apocalyptic number.

2215111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215111 is an equidigital number, since it uses as much as digits as its factorization.

2215111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20, while the sum is 13.

The square root of 2215111 is about 1488.3248973258. The cubic root of 2215111 is about 130.3562418260.

The spelling of 2215111 in words is "two million, two hundred fifteen thousand, one hundred eleven".