10221222123 has 24 divisors (see below), whose sum is σ = 16907544576. Its totient is φ = 5828785200.

The previous prime is 10221222113. The next prime is 10221222181. The reversal of 10221222123 is 32122212201.

It is not a de Polignac number, because 10221222123 - 2⁹ = 10221221611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10221222096 and 10221222105.

It is not an unprimeable number, because it can be changed into a prime (10221222113) 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 23 ways as a sum of consecutive naturals, for example, 134283 + ... + 196148.

It is an arithmetic number, because the mean of its divisors is an integer number (704481024).

Almost surely, 2^10221222123 is an apocalyptic number.

10221222123 is a deficient number, since it is larger than the sum of its proper divisors (6686322453).

10221222123 is a wasteful number, since it uses less digits than its factorization.

10221222123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330935 (or 330932 counting only the distinct ones).

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

Adding to 10221222123 its reverse (32122212201), we get a palindrome (42343434324).

The spelling of 10221222123 in words is "ten billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred twenty-three".