21223100210303 has 8 divisors (see below), whose sum is σ = 21373073904000. Its totient is φ = 21073615828128.

The previous prime is 21223100210201. The next prime is 21223100210321. The reversal of 21223100210303 is 30301200132212.

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 21223100210303 - 2¹⁰ = 21223100209279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21223100210363) 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, 122240828 + ... + 122414321.

It is an arithmetic number, because the mean of its divisors is an integer number (2671634238000).

Almost surely, 2^{21223100210303} is an apocalyptic number.

21223100210303 is a deficient number, since it is larger than the sum of its proper divisors (149973693697).

21223100210303 is a wasteful number, since it uses less digits than its factorization.

21223100210303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244655761.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21223100210303 its reverse (30301200132212), we get a palindrome (51524300342515).

The spelling of 21223100210303 in words is "twenty-one trillion, two hundred twenty-three billion, one hundred million, two hundred ten thousand, three hundred three".