100333312121 has 8 divisors (see below), whose sum is σ = 115681392384. Its totient is φ = 85238919360.

The previous prime is 100333312097. The next prime is 100333312187. The reversal of 100333312121 is 121213333001.

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

It is a de Polignac number, because none of the positive numbers 2^k-100333312121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100333312093 and 100333312102.

It is not an unprimeable number, because it can be changed into a prime (100333312621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63421025 + ... + 63422606.

It is an arithmetic number, because the mean of its divisors is an integer number (14460174048).

Almost surely, 2^100333312121 is an apocalyptic number.

It is an amenable number.

100333312121 is a deficient number, since it is larger than the sum of its proper divisors (15348080263).

100333312121 is a wasteful number, since it uses less digits than its factorization.

100333312121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126843751.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 100333312121 its reverse (121213333001), we get a palindrome (221546645122).

The spelling of 100333312121 in words is "one hundred billion, three hundred thirty-three million, three hundred twelve thousand, one hundred twenty-one".