2152211 has 2 divisors, whose sum is σ = 2152212. Its totient is φ = 2152210.

The previous prime is 2152201. The next prime is 2152219. The reversal of 2152211 is 1122512.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2152211 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2152219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076105 + 1076106.

It is an arithmetic number, because the mean of its divisors is an integer number (1076106).

2^2152211 is an apocalyptic number.

2152211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2152211 is an equidigital number, since it uses as much as digits as its factorization.

2152211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40, while the sum is 14.

The square root of 2152211 is about 1467.0415808695. The cubic root of 2152211 is about 129.1105156330.

Adding to 2152211 its reverse (1122512), we get a palindrome (3274723).

The spelling of 2152211 in words is "two million, one hundred fifty-two thousand, two hundred eleven".