100121330333231 has 4 divisors (see below), whose sum is σ = 105390874035000. Its totient is φ = 94851786631464.

The previous prime is 100121330333203. The next prime is 100121330333249. The reversal of 100121330333231 is 132333033121001.

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

It is a cyclic number.

It is not a de Polignac number, because 100121330333231 - 2²² = 100121326138927 is a prime.

It is a super-3 number, since 3×100121330333231³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100121330333231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100121330333201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2634771850856 + ... + 2634771850893.

It is an arithmetic number, because the mean of its divisors is an integer number (26347718508750).

Almost surely, 2^{100121330333231} is an apocalyptic number.

100121330333231 is a deficient number, since it is larger than the sum of its proper divisors (5269543701769).

100121330333231 is an equidigital number, since it uses as much as digits as its factorization.

100121330333231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5269543701768.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 100121330333231 its reverse (132333033121001), we get a palindrome (232454363454232).

The spelling of 100121330333231 in words is "one hundred trillion, one hundred twenty-one billion, three hundred thirty million, three hundred thirty-three thousand, two hundred thirty-one".