222103210123 has 4 divisors (see below), whose sum is σ = 222893613288. Its totient is φ = 221312806960.

The previous prime is 222103210073. The next prime is 222103210127. The reversal of 222103210123 is 321012301222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222103210123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222103210123.

It is not an unprimeable number, because it can be changed into a prime (222103210127) 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 3 ways as a sum of consecutive naturals, for example, 395201161 + ... + 395201722.

It is an arithmetic number, because the mean of its divisors is an integer number (55723403322).

Almost surely, 2^222103210123 is an apocalyptic number.

222103210123 is a deficient number, since it is larger than the sum of its proper divisors (790403165).

222103210123 is an equidigital number, since it uses as much as digits as its factorization.

222103210123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790403164.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 222103210123 its reverse (321012301222), we get a palindrome (543115511345).

The spelling of 222103210123 in words is "two hundred twenty-two billion, one hundred three million, two hundred ten thousand, one hundred twenty-three".