21144230022203 has 8 divisors (see below), whose sum is σ = 21470526847440. Its totient is φ = 20819904779520.

The previous prime is 21144230022163. The next prime is 21144230022229. The reversal of 21144230022203 is 30222003244112.

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 21144230022203 - 2³⁸ = 20869352115259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21144230022263) 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, 492874025 + ... + 492916922.

It is an arithmetic number, because the mean of its divisors is an integer number (2683815855930).

Almost surely, 2^{21144230022203} is an apocalyptic number.

21144230022203 is a deficient number, since it is larger than the sum of its proper divisors (326296825237).

21144230022203 is an equidigital number, since it uses as much as digits as its factorization.

21144230022203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985791277.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 21144230022203 its reverse (30222003244112), we get a palindrome (51366233266315).

The spelling of 21144230022203 in words is "twenty-one trillion, one hundred forty-four billion, two hundred thirty million, twenty-two thousand, two hundred three".