21223200203 has 8 divisors (see below), whose sum is σ = 22537914000. Its totient is φ = 19928256768.

The previous prime is 21223200199. The next prime is 21223200209. The reversal of 21223200203 is 30200232212.

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 21223200203 - 2² = 21223200199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21223200209) 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, 4940378 + ... + 4944671.

It is an arithmetic number, because the mean of its divisors is an integer number (2817239250).

Almost surely, 2^21223200203 is an apocalyptic number.

21223200203 is a deficient number, since it is larger than the sum of its proper divisors (1314713797).

21223200203 is a wasteful number, since it uses less digits than its factorization.

21223200203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9885181.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 21223200203 its reverse (30200232212), we get a palindrome (51423432415).

The spelling of 21223200203 in words is "twenty-one billion, two hundred twenty-three million, two hundred thousand, two hundred three".