22121004230 has 64 divisors (see below), whose sum is σ = 43430385600. Its totient is φ = 8063483904.

The previous prime is 22121004203. The next prime is 22121004253. The reversal of 22121004230 is 3240012122.

It is a junction number, because it is equal to n+sod(n) for n = 22121004199 and 22121004208.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 5659937 + ... + 5663843.

It is an arithmetic number, because the mean of its divisors is an integer number (678599775).

Almost surely, 2^22121004230 is an apocalyptic number.

22121004230 is a deficient number, since it is larger than the sum of its proper divisors (21309381370).

22121004230 is a wasteful number, since it uses less digits than its factorization.

22121004230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4473.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22121004230 its reverse (3240012122), we get a palindrome (25361016352).

The spelling of 22121004230 in words is "twenty-two billion, one hundred twenty-one million, four thousand, two hundred thirty".