100021133233 has 12 divisors (see below), whose sum is σ = 116364414720. Its totient is φ = 85722599592.

The previous prime is 100021133221. The next prime is 100021133257. The reversal of 100021133233 is 332331120001.

It is not a de Polignac number, because 100021133233 - 2²¹ = 100019036081 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 100021133233.

It is not an unprimeable number, because it can be changed into a prime (100021133213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 333928 + ... + 558166.

It is an arithmetic number, because the mean of its divisors is an integer number (9697034560).

Almost surely, 2^100021133233 is an apocalyptic number.

It is an amenable number.

100021133233 is a deficient number, since it is larger than the sum of its proper divisors (16343281487).

100021133233 is an equidigital number, since it uses as much as digits as its factorization.

100021133233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233356 (or 233349 counting only the distinct ones).

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

Adding to 100021133233 its reverse (332331120001), we get a palindrome (432352253234).

The spelling of 100021133233 in words is "one hundred billion, twenty-one million, one hundred thirty-three thousand, two hundred thirty-three".