4221137203 has 2 divisors, whose sum is σ = 4221137204. Its totient is φ = 4221137202.

The previous prime is 4221137197. The next prime is 4221137251. The reversal of 4221137203 is 3027311224.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4221137203 - 2⁵ = 4221137171 is a prime.

It is not a weakly prime, because it can be changed into another prime (4221137273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110568601 + 2110568602.

It is an arithmetic number, because the mean of its divisors is an integer number (2110568602).

Almost surely, 2^4221137203 is an apocalyptic number.

4221137203 is a deficient number, since it is larger than the sum of its proper divisors (1).

4221137203 is an equidigital number, since it uses as much as digits as its factorization.

4221137203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 4221137203 is about 64970.2793821914. The cubic root of 4221137203 is about 1616.1307347495.

Adding to 4221137203 its reverse (3027311224), we get a palindrome (7248448427).

The spelling of 4221137203 in words is "four billion, two hundred twenty-one million, one hundred thirty-seven thousand, two hundred three".