21202203330123 has 8 divisors (see below), whose sum is σ = 28302514344000. Its totient is φ = 14118347268168.

The previous prime is 21202203330103. The next prime is 21202203330127. The reversal of 21202203330123 is 32103330220212.

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

It is not a de Polignac number, because 21202203330123 - 2⁶ = 21202203330059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21202203330093 and 21202203330102.

It is not an unprimeable number, because it can be changed into a prime (21202203330127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4113734973 + ... + 4113740126.

It is an arithmetic number, because the mean of its divisors is an integer number (3537814293000).

Almost surely, 2^{21202203330123} is an apocalyptic number.

21202203330123 is a deficient number, since it is larger than the sum of its proper divisors (7100311013877).

21202203330123 is an equidigital number, since it uses as much as digits as its factorization.

21202203330123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8227475961.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 21202203330123 its reverse (32103330220212), we get a palindrome (53305533550335).

The spelling of 21202203330123 in words is "twenty-one trillion, two hundred two billion, two hundred three million, three hundred thirty thousand, one hundred twenty-three".