100326106121 has 4 divisors (see below), whose sum is σ = 100332247044. Its totient is φ = 100319965200.

The previous prime is 100326106117. The next prime is 100326106183. The reversal of 100326106121 is 121601623001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 589518400 + 99736587721 = 24280^2 + 315811^2 .

It is a cyclic number.

It is not a de Polignac number, because 100326106121 - 2² = 100326106117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100326106021) 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, 3045890 + ... + 3078651.

It is an arithmetic number, because the mean of its divisors is an integer number (25083061761).

Almost surely, 2^100326106121 is an apocalyptic number.

It is an amenable number.

100326106121 is a deficient number, since it is larger than the sum of its proper divisors (6140923).

100326106121 is an equidigital number, since it uses as much as digits as its factorization.

100326106121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6140922.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 100326106121 its reverse (121601623001), we get a palindrome (221927729122).

The spelling of 100326106121 in words is "one hundred billion, three hundred twenty-six million, one hundred six thousand, one hundred twenty-one".