221222211003 has 24 divisors (see below), whose sum is σ = 332703143136. Its totient is φ = 141525590400.

The previous prime is 221222210999. The next prime is 221222211011. The reversal of 221222211003 is 300112222122.

It is not a de Polignac number, because 221222211003 - 2² = 221222210999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221222211083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4891575 + ... + 4936592.

It is an arithmetic number, because the mean of its divisors is an integer number (13862630964).

Almost surely, 2^221222211003 is an apocalyptic number.

221222211003 is a deficient number, since it is larger than the sum of its proper divisors (111480932133).

221222211003 is a wasteful number, since it uses less digits than its factorization.

221222211003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9828275 (or 9828272 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 221222211003 its reverse (300112222122), we get a palindrome (521334433125).

The spelling of 221222211003 in words is "two hundred twenty-one billion, two hundred twenty-two million, two hundred eleven thousand, three".