10223222121 has 96 divisors (see below), whose sum is σ = 17643225600. Its totient is φ = 5583744000.

The previous prime is 10223222117. The next prime is 10223222143. The reversal of 10223222121 is 12122232201.

It is not a de Polignac number, because 10223222121 - 2² = 10223222117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10223222094 and 10223222103.

It is not an unprimeable number, because it can be changed into a prime (10223222111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 38871436 + ... + 38871698.

It is an arithmetic number, because the mean of its divisors is an integer number (183783600).

Almost surely, 2^10223222121 is an apocalyptic number.

It is an amenable number.

10223222121 is a deficient number, since it is larger than the sum of its proper divisors (7420003479).

10223222121 is a wasteful number, since it uses less digits than its factorization.

10223222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 10223222121 its reverse (12122232201), we get a palindrome (22345454322).

The spelling of 10223222121 in words is "ten billion, two hundred twenty-three million, two hundred twenty-two thousand, one hundred twenty-one".