100222145123 has 16 divisors (see below), whose sum is σ = 103554502656. Its totient is φ = 96938220960.

The previous prime is 100222145119. The next prime is 100222145137. The reversal of 100222145123 is 321541222001.

It is a cyclic number.

It is not a de Polignac number, because 100222145123 - 2² = 100222145119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100222145183) 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 15 ways as a sum of consecutive naturals, for example, 2937440 + ... + 2971362.

It is an arithmetic number, because the mean of its divisors is an integer number (6472156416).

Almost surely, 2^100222145123 is an apocalyptic number.

100222145123 is a deficient number, since it is larger than the sum of its proper divisors (3332357533).

100222145123 is a wasteful number, since it uses less digits than its factorization.

100222145123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34634.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 100222145123 its reverse (321541222001), we get a palindrome (421763367124).

The spelling of 100222145123 in words is "one hundred billion, two hundred twenty-two million, one hundred forty-five thousand, one hundred twenty-three".