100222123 has 4 divisors (see below), whose sum is σ = 106117560. Its totient is φ = 94326688.

The previous prime is 100222117. The next prime is 100222139. The reversal of 100222123 is 321222001.

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

It is a cyclic number.

It is not a de Polignac number, because 100222123 - 2⁵ = 100222091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100222103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2947693 + ... + 2947726.

It is an arithmetic number, because the mean of its divisors is an integer number (26529390).

Almost surely, 2^100222123 is an apocalyptic number.

100222123 is a deficient number, since it is larger than the sum of its proper divisors (5895437).

100222123 is an equidigital number, since it uses as much as digits as its factorization.

100222123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5895436.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 100222123 is about 10011.0999895116. The cubic root of 100222123 is about 464.5022970985.

Adding to 100222123 its reverse (321222001), we get a palindrome (421444124).

The spelling of 100222123 in words is "one hundred million, two hundred twenty-two thousand, one hundred twenty-three".