100331222123 has 8 divisors (see below), whose sum is σ = 109535113776. Its totient is φ = 91141142400.

The previous prime is 100331222093. The next prime is 100331222207. The reversal of 100331222123 is 321222133001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100331222123 - 2¹² = 100331218027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100331222095 and 100331222104.

It is not an unprimeable number, because it can be changed into a prime (100331222923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3437786 + ... + 3466847.

It is an arithmetic number, because the mean of its divisors is an integer number (13691889222).

Almost surely, 2^100331222123 is an apocalyptic number.

100331222123 is a deficient number, since it is larger than the sum of its proper divisors (9203891653).

100331222123 is a wasteful number, since it uses less digits than its factorization.

100331222123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6905965.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 100331222123 its reverse (321222133001), we get a palindrome (421553355124).

The spelling of 100331222123 in words is "one hundred billion, three hundred thirty-one million, two hundred twenty-two thousand, one hundred twenty-three".