321020222020123 has 4 divisors (see below), whose sum is σ = 321020311163248. Its totient is φ = 321020132877000.

The previous prime is 321020222020081. The next prime is 321020222020133.

321020222020123 is nontrivially palindromic in base 10.

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-321020222020123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321020222020094 and 321020222020103.

It is not an unprimeable number, because it can be changed into a prime (321020222020133) 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, 38931936 + ... + 46451437.

It is an arithmetic number, because the mean of its divisors is an integer number (80255077790812).

Almost surely, 2^{321020222020123} is an apocalyptic number.

321020222020123 is a deficient number, since it is larger than the sum of its proper divisors (89143125).

321020222020123 is an equidigital number, since it uses as much as digits as its factorization.

321020222020123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89143124.

The product of its (nonzero) digits is 1152, while the sum is 22.

The spelling of 321020222020123 in words is "three hundred twenty-one trillion, twenty billion, two hundred twenty-two million, twenty thousand, one hundred twenty-three".