222123142105 has 16 divisors (see below), whose sum is σ = 277049997504. Its totient is φ = 170812756800.

The previous prime is 222123142079. The next prime is 222123142117. The reversal of 222123142105 is 501241321222.

It is not a de Polignac number, because 222123142105 - 2¹³ = 222123133913 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 222123142105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7217571 + ... + 7248280.

It is an arithmetic number, because the mean of its divisors is an integer number (17315624844).

Almost surely, 2^222123142105 is an apocalyptic number.

It is an amenable number.

222123142105 is a deficient number, since it is larger than the sum of its proper divisors (54926855399).

222123142105 is a wasteful number, since it uses less digits than its factorization.

222123142105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14465976.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 222123142105 its reverse (501241321222), we get a palindrome (723364463327).

The spelling of 222123142105 in words is "two hundred twenty-two billion, one hundred twenty-three million, one hundred forty-two thousand, one hundred five".