210201221003 has 2 divisors, whose sum is σ = 210201221004. Its totient is φ = 210201221002.

The previous prime is 210201220991. The next prime is 210201221119. The reversal of 210201221003 is 300122102012.

It is a happy number.

210201221003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210201221003 - 2⁴ = 210201220987 is a prime.

It is a super-2 number, since 2×210201221003² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (210201220003) 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, 105100610501 + 105100610502.

It is an arithmetic number, because the mean of its divisors is an integer number (105100610502).

Almost surely, 2^210201221003 is an apocalyptic number.

210201221003 is a deficient number, since it is larger than the sum of its proper divisors (1).

210201221003 is an equidigital number, since it uses as much as digits as its factorization.

210201221003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 210201221003 its reverse (300122102012), we get a palindrome (510323323015).

The spelling of 210201221003 in words is "two hundred ten billion, two hundred one million, two hundred twenty-one thousand, three".