100011220111 has 8 divisors (see below), whose sum is σ = 109825688448. Its totient is φ = 90317175000.

The previous prime is 100011220093. The next prime is 100011220163. The reversal of 100011220111 is 111022110001.

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

It is a cyclic number.

It is not a de Polignac number, because 100011220111 - 2⁷ = 100011219983 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 (100011220811) 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 7 ways as a sum of consecutive naturals, for example, 30104065 + ... + 30107386.

It is an arithmetic number, because the mean of its divisors is an integer number (13728211056).

Almost surely, 2^100011220111 is an apocalyptic number.

100011220111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

100011220111 is a deficient number, since it is larger than the sum of its proper divisors (9814468337).

100011220111 is a wasteful number, since it uses less digits than its factorization.

100011220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60211613.

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

Adding to 100011220111 its reverse (111022110001), we get a palindrome (211033330112).

The spelling of 100011220111 in words is "one hundred billion, eleven million, two hundred twenty thousand, one hundred eleven".