21222301333123 has 8 divisors (see below), whose sum is σ = 23318159739840. Its totient is φ = 19154202640680.

The previous prime is 21222301333061. The next prime is 21222301333133. The reversal of 21222301333123 is 32133310322212.

It is a happy number.

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 21222301333123 - 2⁹ = 21222301332611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21222301333091 and 21222301333100.

It is not an unprimeable number, because it can be changed into a prime (21222301333133) 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, 6939926965 + ... + 6939930022.

It is an arithmetic number, because the mean of its divisors is an integer number (2914769967480).

Almost surely, 2^{21222301333123} is an apocalyptic number.

21222301333123 is a deficient number, since it is larger than the sum of its proper divisors (2095858406717).

21222301333123 is a wasteful number, since it uses less digits than its factorization.

21222301333123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13879857137.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 21222301333123 its reverse (32133310322212), we get a palindrome (53355611655335).

The spelling of 21222301333123 in words is "twenty-one trillion, two hundred twenty-two billion, three hundred one million, three hundred thirty-three thousand, one hundred twenty-three".