2211061 has 2 divisors, whose sum is σ = 2211062. Its totient is φ = 2211060.

The previous prime is 2211029. The next prime is 2211109. The reversal of 2211061 is 1601122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1199025 + 1012036 = 1095^2 + 1006^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211061 - 2⁵ = 2211029 is a prime.

2211061 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2211161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105530 + 1105531.

It is an arithmetic number, because the mean of its divisors is an integer number (1105531).

2^2211061 is an apocalyptic number.

It is an amenable number.

2211061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211061 is an equidigital number, since it uses as much as digits as its factorization.

2211061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2211061 is about 1486.9636848289. The cubic root of 2211061 is about 130.2767477116.

Adding to 2211061 its reverse (1601122), we get a palindrome (3812183).

It can be divided in two parts, 22 and 11061, that multiplied together give a palindrome (243342).

The spelling of 2211061 in words is "two million, two hundred eleven thousand, sixty-one".