100203310121 has 8 divisors (see below), whose sum is σ = 101383286400. Its totient is φ = 99024536160.

The previous prime is 100203310057. The next prime is 100203310139. The reversal of 100203310121 is 121013302001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100203310121 - 2⁶ = 100203310057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100203310096 and 100203310105.

It is not an unprimeable number, because it can be changed into a prime (100203310321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132365 + ... + 466826.

It is an arithmetic number, because the mean of its divisors is an integer number (12672910800).

Almost surely, 2^100203310121 is an apocalyptic number.

It is an amenable number.

100203310121 is a deficient number, since it is larger than the sum of its proper divisors (1179976279).

100203310121 is an equidigital number, since it uses as much as digits as its factorization.

100203310121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601159.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 100203310121 its reverse (121013302001), we get a palindrome (221216612122).

The spelling of 100203310121 in words is "one hundred billion, two hundred three million, three hundred ten thousand, one hundred twenty-one".