3421221203 has 2 divisors, whose sum is σ = 3421221204. Its totient is φ = 3421221202.

The previous prime is 3421221191. The next prime is 3421221247. The reversal of 3421221203 is 3021221243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3421221203 - 2²⁶ = 3354112339 is a prime.

It is not a weakly prime, because it can be changed into another prime (3421221803) 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, 1710610601 + 1710610602.

It is an arithmetic number, because the mean of its divisors is an integer number (1710610602).

Almost surely, 2^3421221203 is an apocalyptic number.

3421221203 is a deficient number, since it is larger than the sum of its proper divisors (1).

3421221203 is an equidigital number, since it uses as much as digits as its factorization.

3421221203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3421221203 is about 58491.2062023002. The cubic root of 3421221203 is about 1506.8165616970.

Adding to 3421221203 its reverse (3021221243), we get a palindrome (6442442446).

The spelling of 3421221203 in words is "three billion, four hundred twenty-one million, two hundred twenty-one thousand, two hundred three".