22221120203 has 4 divisors (see below), whose sum is σ = 23187255888. Its totient is φ = 21254984520.

The previous prime is 22221120169. The next prime is 22221120209. The reversal of 22221120203 is 30202112222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22221120203 - 2⁶ = 22221120139 is a prime.

It is a super-2 number, since 2×22221120203² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22221120209) 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 3 ways as a sum of consecutive naturals, for example, 483067808 + ... + 483067853.

It is an arithmetic number, because the mean of its divisors is an integer number (5796813972).

Almost surely, 2^22221120203 is an apocalyptic number.

22221120203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22221120203 is a deficient number, since it is larger than the sum of its proper divisors (966135685).

22221120203 is an equidigital number, since it uses as much as digits as its factorization.

22221120203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966135684.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22221120203 its reverse (30202112222), we get a palindrome (52423232425).

The spelling of 22221120203 in words is "twenty-two billion, two hundred twenty-one million, one hundred twenty thousand, two hundred three".