221012302003 has 2 divisors, whose sum is σ = 221012302004. Its totient is φ = 221012302002.

The previous prime is 221012301971. The next prime is 221012302051. The reversal of 221012302003 is 300203210122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221012302003 - 2⁵ = 221012301971 is a prime.

It is not a weakly prime, because it can be changed into another prime (221012302403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110506151001 + 110506151002.

It is an arithmetic number, because the mean of its divisors is an integer number (110506151002).

Almost surely, 2^221012302003 is an apocalyptic number.

221012302003 is a deficient number, since it is larger than the sum of its proper divisors (1).

221012302003 is an equidigital number, since it uses as much as digits as its factorization.

221012302003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 221012302003 its reverse (300203210122), we get a palindrome (521215512125).

The spelling of 221012302003 in words is "two hundred twenty-one billion, twelve million, three hundred two thousand, three".