30321112222123 has 4 divisors (see below), whose sum is σ = 30321920671720. Its totient is φ = 30320303772528.

The previous prime is 30321112222111. The next prime is 30321112222147. The reversal of 30321112222123 is 32122221112303.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30321112222123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30321112522123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404168538 + ... + 404243551.

It is an arithmetic number, because the mean of its divisors is an integer number (7580480167930).

Almost surely, 2^{30321112222123} is an apocalyptic number.

30321112222123 is a deficient number, since it is larger than the sum of its proper divisors (808449597).

30321112222123 is an equidigital number, since it uses as much as digits as its factorization.

30321112222123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808449596.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 30321112222123 its reverse (32122221112303), we get a palindrome (62443333334426).

The spelling of 30321112222123 in words is "thirty trillion, three hundred twenty-one billion, one hundred twelve million, two hundred twenty-two thousand, one hundred twenty-three".