100200331212121 has 16 divisors (see below), whose sum is σ = 117196966744704. Its totient is φ = 83874924854784.

The previous prime is 100200331212073. The next prime is 100200331212131. The reversal of 100200331212121 is 121212133002001.

It is not a de Polignac number, because 100200331212121 - 2²⁹ = 100199794341209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100200331212131) 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, 25388146 + ... + 29068171.

It is an arithmetic number, because the mean of its divisors is an integer number (7324810421544).

Almost surely, 2^{100200331212121} is an apocalyptic number.

It is an amenable number.

100200331212121 is a deficient number, since it is larger than the sum of its proper divisors (16996635532583).

100200331212121 is an equidigital number, since it uses as much as digits as its factorization.

100200331212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54462480.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 100200331212121 its reverse (121212133002001), we get a palindrome (221412464214122).

The spelling of 100200331212121 in words is "one hundred trillion, two hundred billion, three hundred thirty-one million, two hundred twelve thousand, one hundred twenty-one".