2142211 has 2 divisors, whose sum is σ = 2142212. Its totient is φ = 2142210.

The previous prime is 2142181. The next prime is 2142227. The reversal of 2142211 is 1122412.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2142211 - 2⁷ = 2142083 is a prime.

It is a d-powerful number, because it can be written as 2¹³ + 1 + 4⁶ + 2¹⁵ + 2²¹ + 1 + 1 .

It is a junction number, because it is equal to n+sod(n) for n = 2142191 and 2142200.

It is not a weakly prime, because it can be changed into another prime (2142241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071105 + 1071106.

It is an arithmetic number, because the mean of its divisors is an integer number (1071106).

2^2142211 is an apocalyptic number.

2142211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142211 is an equidigital number, since it uses as much as digits as its factorization.

2142211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32, while the sum is 13.

The square root of 2142211 is about 1463.6293929817. The cubic root of 2142211 is about 128.9102394223.

Adding to 2142211 its reverse (1122412), we get a palindrome (3264623).

The spelling of 2142211 in words is "two million, one hundred forty-two thousand, two hundred eleven".