100221033111 has 8 divisors (see below), whose sum is σ = 134680233984. Its totient is φ = 66287927160.

The previous prime is 100221033049. The next prime is 100221033191. The reversal of 100221033111 is 111330122001.

It is a happy number.

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

It is not a de Polignac number, because 100221033111 - 2¹⁹ = 100220508823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100221033191) 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, 131523285 + ... + 131524046.

It is an arithmetic number, because the mean of its divisors is an integer number (16835029248).

Almost surely, 2^100221033111 is an apocalyptic number.

100221033111 is a deficient number, since it is larger than the sum of its proper divisors (34459200873).

100221033111 is a wasteful number, since it uses less digits than its factorization.

100221033111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263047461.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 100221033111 its reverse (111330122001), we get a palindrome (211551155112).

The spelling of 100221033111 in words is "one hundred billion, two hundred twenty-one million, thirty-three thousand, one hundred eleven".