221301222003 has 24 divisors (see below), whose sum is σ = 351111022080. Its totient is φ = 133692269040.

The previous prime is 221301221987. The next prime is 221301222011. The reversal of 221301222003 is 300222103122.

221301222003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 221301222003 - 2⁴ = 221301221987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221301222013) 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 in 23 ways as a sum of consecutive naturals, for example, 28129963 + ... + 28137828.

It is an arithmetic number, because the mean of its divisors is an integer number (14629625920).

Almost surely, 2^221301222003 is an apocalyptic number.

221301222003 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

221301222003 is a deficient number, since it is larger than the sum of its proper divisors (129809800077).

221301222003 is a wasteful number, since it uses less digits than its factorization.

221301222003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56267839 (or 56267836 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 221301222003 its reverse (300222103122), we get a palindrome (521523325125).

The spelling of 221301222003 in words is "two hundred twenty-one billion, three hundred one million, two hundred twenty-two thousand, three".