123122110222 has 16 divisors (see below), whose sum is σ = 185835338640. Its totient is φ = 61177443712.

The previous prime is 123122110217. The next prime is 123122110271. The reversal of 123122110222 is 222011221321.

It is a self number, because there is not a number n which added to its sum of digits gives 123122110222.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 445248 + ... + 666700.

It is an arithmetic number, because the mean of its divisors is an integer number (11614708665).

Almost surely, 2^123122110222 is an apocalyptic number.

123122110222 is a deficient number, since it is larger than the sum of its proper divisors (62713228418).

123122110222 is a wasteful number, since it uses less digits than its factorization.

123122110222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223187.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 123122110222 its reverse (222011221321), we get a palindrome (345133331543).

The spelling of 123122110222 in words is "one hundred twenty-three billion, one hundred twenty-two million, one hundred ten thousand, two hundred twenty-two".