5211322211 has 2 divisors, whose sum is σ = 5211322212. Its totient is φ = 5211322210.

The previous prime is 5211322133. The next prime is 5211322219. The reversal of 5211322211 is 1122231125.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5211322211 is a prime.

It is not a weakly prime, because it can be changed into another prime (5211322219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2605661105 + 2605661106.

It is an arithmetic number, because the mean of its divisors is an integer number (2605661106).

Almost surely, 2^5211322211 is an apocalyptic number.

5211322211 is a deficient number, since it is larger than the sum of its proper divisors (1).

5211322211 is an equidigital number, since it uses as much as digits as its factorization.

5211322211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 240, while the sum is 20.

The square root of 5211322211 is about 72189.4882306281. The cubic root of 5211322211 is about 1733.7347019940.

Adding to 5211322211 its reverse (1122231125), we get a palindrome (6333553336).

The spelling of 5211322211 in words is "five billion, two hundred eleven million, three hundred twenty-two thousand, two hundred eleven".