21322213102303 has 8 divisors (see below), whose sum is σ = 21350237716080. Its totient is φ = 21294199399680.

The previous prime is 21322213102297. The next prime is 21322213102369. The reversal of 21322213102303 is 30320131222312.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21322213102303 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 (21322213102903) 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, 1186801 + ... + 6637237.

It is an arithmetic number, because the mean of its divisors is an integer number (2668779714510).

Almost surely, 2^{21322213102303} is an apocalyptic number.

21322213102303 is a deficient number, since it is larger than the sum of its proper divisors (28024613777).

21322213102303 is an equidigital number, since it uses as much as digits as its factorization.

21322213102303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5455577.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 21322213102303 its reverse (30320131222312), we get a palindrome (51642344324615).

The spelling of 21322213102303 in words is "twenty-one trillion, three hundred twenty-two billion, two hundred thirteen million, one hundred two thousand, three hundred three".