100320100121 has 16 divisors (see below), whose sum is σ = 101905003200. Its totient is φ = 98748936000.

The previous prime is 100320100093. The next prime is 100320100123. The reversal of 100320100121 is 121001023001.

It is not a de Polignac number, because 100320100121 - 2⁶ = 100320100057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100320100123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30389171 + ... + 30392471.

It is an arithmetic number, because the mean of its divisors is an integer number (6369062700).

Almost surely, 2^100320100121 is an apocalyptic number.

It is an amenable number.

100320100121 is a deficient number, since it is larger than the sum of its proper divisors (1584903079).

100320100121 is a wasteful number, since it uses less digits than its factorization.

100320100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5240.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 100320100121 its reverse (121001023001), we get a palindrome (221321123122).

The spelling of 100320100121 in words is "one hundred billion, three hundred twenty million, one hundred thousand, one hundred twenty-one".