22221021203 has 8 divisors (see below), whose sum is σ = 22642497216. Its totient is φ = 21799627200.

The previous prime is 22221021191. The next prime is 22221021233. The reversal of 22221021203 is 30212012222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22221021203 - 2⁶ = 22221021139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22221021233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1072583 + ... + 1093103.

It is an arithmetic number, because the mean of its divisors is an integer number (2830312152).

Almost surely, 2^22221021203 is an apocalyptic number.

22221021203 is a deficient number, since it is larger than the sum of its proper divisors (421476013).

22221021203 is a wasteful number, since it uses less digits than its factorization.

22221021203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41005.

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

Adding to 22221021203 its reverse (30212012222), we get a palindrome (52433033425).

The spelling of 22221021203 in words is "twenty-two billion, two hundred twenty-one million, twenty-one thousand, two hundred three".