122221202123 has 6 divisors (see below), whose sum is σ = 124876984236. Its totient is φ = 119620748852.

The previous prime is 122221202083. The next prime is 122221202161. The reversal of 122221202123 is 321202122221.

It is not a de Polignac number, because 122221202123 - 2²⁰ = 122220153547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122221202095 and 122221202104.

It is not an unprimeable number, because it can be changed into a prime (122221207123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27662165 + ... + 27666582.

It is an arithmetic number, because the mean of its divisors is an integer number (20812830706).

Almost surely, 2^122221202123 is an apocalyptic number.

122221202123 is a deficient number, since it is larger than the sum of its proper divisors (2655782113).

122221202123 is an frugal number, since it uses more digits than its factorization.

122221202123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55328841 (or 55328794 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 122221202123 its reverse (321202122221), we get a palindrome (443423324344).

The spelling of 122221202123 in words is "one hundred twenty-two billion, two hundred twenty-one million, two hundred two thousand, one hundred twenty-three".