22223203121 has 8 divisors (see below), whose sum is σ = 26273737920. Its totient is φ = 18391616208.

The previous prime is 22223203099. The next prime is 22223203147. The reversal of 22223203121 is 12130232222.

It is a happy number.

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

It is not a de Polignac number, because 22223203121 - 2²² = 22219008817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22223203093 and 22223203102.

It is not an unprimeable number, because it can be changed into a prime (22223203621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54736751 + ... + 54737156.

It is an arithmetic number, because the mean of its divisors is an integer number (3284217240).

Almost surely, 2^22223203121 is an apocalyptic number.

It is an amenable number.

22223203121 is a deficient number, since it is larger than the sum of its proper divisors (4050534799).

22223203121 is a wasteful number, since it uses less digits than its factorization.

22223203121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109473943.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22223203121 its reverse (12130232222), we get a palindrome (34353435343).

The spelling of 22223203121 in words is "twenty-two billion, two hundred twenty-three million, two hundred three thousand, one hundred twenty-one".