100120110111 has 24 divisors (see below), whose sum is σ = 165516900224. Its totient is φ = 57128671440.

The previous prime is 100120110089. The next prime is 100120110113. The reversal of 100120110111 is 111011021001.

It is not a de Polignac number, because 100120110111 - 2¹¹ = 100120108063 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100120110093 and 100120110102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100120110113) 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 23 ways as a sum of consecutive naturals, for example, 1106401 + ... + 1193466.

Almost surely, 2^100120110111 is an apocalyptic number.

100120110111 is a deficient number, since it is larger than the sum of its proper divisors (65396790113).

100120110111 is a wasteful number, since it uses less digits than its factorization.

100120110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2300571 (or 2300568 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 100120110111 its reverse (111011021001), we get a palindrome (211131131112).

The spelling of 100120110111 in words is "one hundred billion, one hundred twenty million, one hundred ten thousand, one hundred eleven".