100221033333 has 4 divisors (see below), whose sum is σ = 133628044448. Its totient is φ = 66814022220.

The previous prime is 100221033277. The next prime is 100221033343. The reversal of 100221033333 is 333330122001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 100221033333 - 2¹³ = 100221025141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100221033343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16703505553 + ... + 16703505558.

It is an arithmetic number, because the mean of its divisors is an integer number (33407011112).

Almost surely, 2^100221033333 is an apocalyptic number.

It is an amenable number.

100221033333 is a deficient number, since it is larger than the sum of its proper divisors (33407011115).

100221033333 is an equidigital number, since it uses as much as digits as its factorization.

100221033333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33407011114.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 100221033333 its reverse (333330122001), we get a palindrome (433551155334).

The spelling of 100221033333 in words is "one hundred billion, two hundred twenty-one million, thirty-three thousand, three hundred thirty-three".