100321322121 has 12 divisors (see below), whose sum is σ = 150275561072. Its totient is φ = 66880881252.

The previous prime is 100321322107. The next prime is 100321322137. The reversal of 100321322121 is 121223123001.

100321322121 is a `hidden beast` number, since 1 + 0 + 0 + 321 + 322 + 1 + 21 = 666.

It is not a de Polignac number, because 100321322121 - 2¹³ = 100321313929 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100321322094 and 100321322103.

It is not an unprimeable number, because it can be changed into a prime (100321322921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206422231 + ... + 206422716.

Almost surely, 2^100321322121 is an apocalyptic number.

It is an amenable number.

100321322121 is a deficient number, since it is larger than the sum of its proper divisors (49954238951).

100321322121 is an frugal number, since it uses more digits than its factorization.

100321322121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412844962 (or 412844950 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 100321322121 its reverse (121223123001), we get a palindrome (221544445122).

The spelling of 100321322121 in words is "one hundred billion, three hundred twenty-one million, three hundred twenty-two thousand, one hundred twenty-one".