5221220203 has 2 divisors, whose sum is σ = 5221220204. Its totient is φ = 5221220202.

The previous prime is 5221220189. The next prime is 5221220231. The reversal of 5221220203 is 3020221225.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5221220203 - 2¹⁷ = 5221089131 is a prime.

It is a super-3 number, since 3×5221220203³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (5221220243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2610610101 + 2610610102.

It is an arithmetic number, because the mean of its divisors is an integer number (2610610102).

Almost surely, 2^5221220203 is an apocalyptic number.

5221220203 is a deficient number, since it is larger than the sum of its proper divisors (1).

5221220203 is an equidigital number, since it uses as much as digits as its factorization.

5221220203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 5221220203 is about 72258.0113413039. The cubic root of 5221220203 is about 1734.8316494044.

Adding to 5221220203 its reverse (3020221225), we get a palindrome (8241441428).

The spelling of 5221220203 in words is "five billion, two hundred twenty-one million, two hundred twenty thousand, two hundred three".