100120222123 has 4 divisors (see below), whose sum is σ = 100316922480. Its totient is φ = 99923521768.

The previous prime is 100120222121. The next prime is 100120222129. The reversal of 100120222123 is 321222021001.

It is a happy number.

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 100120222123 - 2¹ = 100120222121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100120222097 and 100120222106.

It is not an unprimeable number, because it can be changed into a prime (100120222121) 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, 98349415 + ... + 98350432.

It is an arithmetic number, because the mean of its divisors is an integer number (25079230620).

Almost surely, 2^100120222123 is an apocalyptic number.

100120222123 is a deficient number, since it is larger than the sum of its proper divisors (196700357).

100120222123 is an equidigital number, since it uses as much as digits as its factorization.

100120222123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196700356.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 100120222123 its reverse (321222021001), we get a palindrome (421342243124).

The spelling of 100120222123 in words is "one hundred billion, one hundred twenty million, two hundred twenty-two thousand, one hundred twenty-three".