100220133123 has 36 divisors (see below), whose sum is σ = 159266489200. Its totient is φ = 60683182560.

The previous prime is 100220133121. The next prime is 100220133157. The reversal of 100220133123 is 321331022001.

It is not a de Polignac number, because 100220133123 - 2¹ = 100220133121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100220133096 and 100220133105.

It is not an unprimeable number, because it can be changed into a prime (100220133121) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1148178 + ... + 1232376.

Almost surely, 2^100220133123 is an apocalyptic number.

100220133123 is a deficient number, since it is larger than the sum of its proper divisors (59046356077).

100220133123 is a wasteful number, since it uses less digits than its factorization.

100220133123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85320 (or 85306 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 100220133123 its reverse (321331022001), we get a palindrome (421551155124).

The spelling of 100220133123 in words is "one hundred billion, two hundred twenty million, one hundred thirty-three thousand, one hundred twenty-three".