100233121033 has 4 divisors (see below), whose sum is σ = 100233881748. Its totient is φ = 100232360320.

The previous prime is 100233121013. The next prime is 100233121063. The reversal of 100233121033 is 330121332001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 40663932409 + 59569188624 = 201653^2 + 244068^2 .

It is a cyclic number.

It is not a de Polignac number, because 100233121033 - 2¹³ = 100233112841 is a prime.

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 100233121033.

It is not an unprimeable number, because it can be changed into a prime (100233121003) 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 3 ways as a sum of consecutive naturals, for example, 126028 + ... + 465133.

It is an arithmetic number, because the mean of its divisors is an integer number (25058470437).

Almost surely, 2^100233121033 is an apocalyptic number.

It is an amenable number.

100233121033 is a deficient number, since it is larger than the sum of its proper divisors (760715).

100233121033 is an equidigital number, since it uses as much as digits as its factorization.

100233121033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760714.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 100233121033 its reverse (330121332001), we get a palindrome (430354453034).

The spelling of 100233121033 in words is "one hundred billion, two hundred thirty-three million, one hundred twenty-one thousand, thirty-three".