100101221011 has 8 divisors (see below), whose sum is σ = 111524765184. Its totient is φ = 89064915720.

The previous prime is 100101221009. The next prime is 100101221021. The reversal of 100101221011 is 110122101001.

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

It is not a de Polignac number, because 100101221011 - 2¹ = 100101221009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100101221021) 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 7 ways as a sum of consecutive naturals, for example, 96809175 + ... + 96810208.

It is an arithmetic number, because the mean of its divisors is an integer number (13940595648).

Almost surely, 2^100101221011 is an apocalyptic number.

100101221011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100101221011 is a deficient number, since it is larger than the sum of its proper divisors (11423544173).

100101221011 is a wasteful number, since it uses less digits than its factorization.

100101221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193619441.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 100101221011 its reverse (110122101001), we get a palindrome (210223322012).

The spelling of 100101221011 in words is "one hundred billion, one hundred one million, two hundred twenty-one thousand, eleven".