221222130003 has 18 divisors (see below), whose sum is σ = 371713375644. Its totient is φ = 126412645464.

The previous prime is 221222129983. The next prime is 221222130037. The reversal of 221222130003 is 300031222122.

It is a de Polignac number, because none of the positive numbers 2^k-221222130003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221222130203) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 250818301 + ... + 250819182.

Almost surely, 2^221222130003 is an apocalyptic number.

221222130003 is a deficient number, since it is larger than the sum of its proper divisors (150491245641).

221222130003 is a wasteful number, since it uses less digits than its factorization.

221222130003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501637503 (or 501637493 counting only the distinct ones).

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

Adding to 221222130003 its reverse (300031222122), we get a palindrome (521253352125).

The spelling of 221222130003 in words is "two hundred twenty-one billion, two hundred twenty-two million, one hundred thirty thousand, three".